The HPE ProLiant DL560 Gen9 8-Bay 2.5" is HPE's Gen9 4-socket dense 2U platform, the Grantley counterpart to the DL580 Gen9 4U Brickland flagship. It is built around Intel Xeon E5-4600 v3 (Haswell-EP) or E5-4600 v4 (Broadwell-EP) processors on the Intel C610 Grantley platform, not the E7-4800/8800 Brickland chips used in the DL580 Gen9. That CPU-family difference is the single most important thing to understand about this server. A 4-socket DL560 Gen9 carries up to four E5-4600 CPUs, 48 DDR4 DIMM slots, a 3 TB memory ceiling, eight 2.5" SFF hot-swap bays, 6 PCIe Gen3 slots, FlexibleLOM networking, and iLO 4 management. It is the HPE architectural counterpart to the Dell PowerEdge R830 (2U 4-socket Grantley), same generation, same workload positioning.

The DL560 Gen9 is one generation behind the DL560 Gen10 (Purley, Skylake-SP / Cascade Lake-SP, 2017) and two generations behind the DL560 Gen11 (Sapphire Rapids / Emerald Rapids, DDR5, 2023). The platform launched in 2014 with the v3 silicon and was refreshed with v4 in 2016. As of 2026, HPE active warranty and Pointnext support on Gen9 hardware has ended, so third-party maintenance is the standard production support path. We are not going to soft-pedal Gen9's age: for new mission-critical scale-up deployments where current security baselines, DDR4-2933, PCIe Gen4, or active HPE support matter, the DL560 Gen10 step is the right answer. Where the DL560 Gen9 still earns its place is in budget-driven 4-socket consolidation, capacity-add to existing Gen9 fleets, and per-core-licensed Oracle and SQL Server hosts that fit within the 3 TB memory ceiling.

To configure a build, call 1-800-778-1545 or use the quote form below. Every refurbished unit ships under our 180-day warranty with 12+ hour burn-in testing, and volume pricing starts at 5 units. A DL560 Gen9 build benefits from a design conversation early: workload architecture, Oracle and SQL Server licensing implications, power budget at 4-socket TDP, and thermal validation in the 2U envelope all matter before hardware selection.

DL560 Gen9 vs DL580 Gen9: The Platform Decision

Both are HPE Gen9 4-socket platforms, but they are not interchangeable. The platform-fact differences drive the buying decision:

• CPU family. DL560 Gen9 uses E5-4600 v3/v4 (Haswell-EP / Broadwell-EP) on the Grantley platform with the C610 chipset, the same silicon family as the DL380 Gen9 dual-socket but in a 4-socket layout. The DL580 Gen9 uses E7-4800/8800 v3/v4 (Haswell-EX / Broadwell-EX) on the Brickland platform, a different CPU family with a higher RAS feature set.
• Memory ceiling and slot count. DL560 Gen9 has 48 DIMM slots (12 per CPU) and a 3 TB ceiling. DL580 Gen9 has 96 DIMM slots through its memory-cartridge architecture and a 6 TB ceiling. The DL580 doubles the per-server memory ceiling at materially higher cost.
• PCIe expansion. DL560 Gen9 provides 6 PCIe Gen3 slots in the 2U layout. DL580 Gen9 provides 9 PCIe Gen3 slots in a 4U layout for serious GPU and high-bandwidth expansion.
• Form factor. DL560 Gen9 is 2U, roughly one rack U per CPU, which is a genuine density advantage. DL580 Gen9 is 4U with drawer-style memory-cartridge access.
• RAS feature set. The DL580 Gen9 E7 platform delivers Lockstep memory mode, MCA Recovery, and expanded memory online sparing, which matter for workloads where uncorrectable memory errors must be avoided. The DL560 Gen9 E5 platform has standard ECC and patrol scrubbing but not the E7's expanded RAS set.

Choose the DL560 Gen9 for budget-driven 4-socket consolidation, general-purpose 4-socket virtualization at Gen9, workloads that fit within the 3 TB memory ceiling, rack-density-driven deployments where 2U versus 4U matters, and any 4-socket workload that does not need E7 RAS features. Choose the DL580 Gen9 5-Bay 2.5" 4U platform when SAP HANA certification mandates the DL580 specifically, when E7 RAS features are required, when the memory requirement exceeds 3 TB, or when 4-socket plus extensive PCIe and GPU expansion is the design.

Where the DL560 Gen9 Fits in 2026

The DL560 Gen9 launched in 2014 on the v3 silicon and was refreshed with the v4 step in 2016. HPE active warranty and Pointnext ProSupport on Gen9 hardware has ended; third-party maintenance is the standard production support path, and parts availability on the secondary market is broad and stable for both new-old-stock and reconditioned components.

Above this generation sits the DL560 Gen10 (Purley, iLO 5 with Silicon Root of Trust, DDR4-2933, HPE Persistent Memory) and then the DL560 Gen11 (Sapphire Rapids / Emerald Rapids, DDR5, PCIe Gen5). The generational step is the right answer for new mission-critical deployments that need current firmware security baselines, faster memory, PCIe Gen4 or Gen5, or active HPE support. For an organization standing up brand-new SAP HANA, Oracle, or scale-up consolidation infrastructure, plan around Gen10 or Gen11, not Gen9.

The DL560 Gen9 earns its place in 2026 specifically when one of these patterns applies: capacity-add to an existing Gen9 4-socket fleet where operational standardization is the driver; budget-driven 4-socket compute and memory consolidation where the E7 platform's premium is not justified; lab, dev, and staging environments that mirror Gen9 4-socket production; Oracle and SQL Server consolidation hosts where per-core licensing economics favor four sockets and the working set fits within 3 TB; and rack-density-constrained 4-socket deployments where the 2U chassis beats a 4U alternative on footprint.

Storage: 8 SFF Bays

Eight 2.5" SAS/SATA hot-swap bays sit in the front of the chassis. The 8-Bay configuration reflects the platform's design priority: 4-socket compute and memory consolidation rather than high-density local storage. Primary bulk storage is expected to live on SAN, NFS, or a distributed file system, with local drives carrying the OS, application binaries, hot dataset staging, and transaction logs.

Drive options span the full Gen9 SFF portfolio: SAS SSDs in mixed-use and read-intensive endurance tiers, SATA SSDs for cost-optimized OS roles, SAS HDDs at 10K and 15K for moderate-IOPS data, NVMe SSDs via Express Bay (which consumes bay count), and self-encrypting drive variants for compliance-regulated deployments. For the full Gen9 drive portfolio detail, the DL380 Gen9 16-Bay 2.5" platform page documents the same drive ecosystem.

Common DL560 Gen9 8-Bay storage profiles in production:

• Oracle Database with networked primary storage. Two SSDs in RAID 1 for the OS plus Oracle Grid binaries, two to four SSDs in RAID 1 or RAID 10 for Fast Recovery Area or archive logs, primary database on Fibre Channel or iSCSI SAN.
• SQL Server Enterprise consolidation host. Two SSDs in RAID 1 for the OS, two in RAID 1 for tempdb, four in RAID 10 for transaction logs, primary data on SAN. Per-core SQL Server licensing economics drive the four-socket consolidation.
• Mission-critical VMware cluster node. Two SSDs in RAID 1 for ESXi boot, remaining bays for a vSAN cache tier or left unused, primary VM storage on a shared SAN datastore. The four-socket compute drives high VM density per host.
• Large-memory analytics or in-memory data grid. A single OS instance with up to 3 TB of memory paired with eight SFF SSDs for the OS, swap, and intermediate working data.

Boot Drives

M.2 SATA boot via the HPE M.2 SSD enablement card is the cleanest pattern for the 8-Bay configuration. It mounts in a PCIe slot and frees all eight SFF bays for data, which matters because the 8-bay storage budget is already tight against four-socket workload patterns. We default to M.2 boot on every DL560 Gen9 quote unless the customer specifies otherwise.

Storage Controllers

The DL560 Gen9 uses the Gen9 Smart Array family in modular and PCIe plug-in form factors:

• Smart Array P440ar (2 GB FBWC). The mainstream production controller. Full hardware RAID 0/1/5/6/10/50/60 with a 2 GB flash-backed write cache. The right pick for the 8-bay configuration in most workloads.
• Smart Array P840ar (4 GB FBWC). The premium controller. A larger write cache for write-intensive workloads such as SQL Server transaction logs and Oracle redo logs on local storage.
• Smart Array H241 (HBA mode, PCIe). Clean SAS pass-through for vSAN, Storage Spaces Direct, Ceph, or ZFS where the storage abstraction is the hypervisor or distributed file system rather than the controller.
• Dynamic Smart Array B140i (embedded software RAID). Acceptable for boot mirroring only, not for production data on a four-socket platform.

The HPE Smart Storage Battery is required when any P-series performance RAID controller is installed, and we include it in every quote that specifies one. The flash-backed write cache battery is a wear item with a finite service life, and we disclose its state on every quote.

Processors

The DL560 Gen9 takes 2, 3, or 4 sockets of Intel Xeon E5-4600 v3 (Haswell-EP) or v4 (Broadwell-EP) on the Intel C610 Grantley chipset with the LGA 2011-3 socket. Production deployments are almost always four-socket, because that is the platform's entire value proposition. The four-socket configuration uses a CPU mezzanine board that carries sockets 3 and 4 plus their associated DIMM slots, the same architectural pattern as the DL560 Gen10.

The E5-4600 family is distinct from the E5-2600 family used in the DL380 Gen9 and DL360 Gen9. Both are Grantley on the C610 chipset, but the E5-4600 supports the four-socket QPI topology that the E5-2600 does not. Mixing CPU SKUs is not supported; all installed processors must be the same model, and v3 and v4 generations cannot be mixed.

Representative CPU options for production four-socket builds:

• E5-4669 v4 (22 cores, 135W). Top-bin Broadwell-EP for this platform, 88 cores across four sockets. The maximum core count for the DL560 Gen9.
• E5-4660 v4 (16 cores, 120W). A balanced production pick at 64 cores across four sockets, for builds that need more cores than the 4640 without paying for the top bin.
• E5-4640 v4 (12 cores, 105W). Mid-tier production at 48 cores and a moderate thermal envelope, common for general four-socket virtualization and database consolidation.
• E5-4627 v4 (10 cores, 135W, higher base frequency). A higher-clock, lower-core-count specialty SKU for per-core-licensing optimization on Oracle and SQL Server.
• E5-4610 v4 (10 cores, 105W). The entry four-socket option at 40 cores and low cost.

Top-bin configurations such as four E5-4669 v4 CPUs are at the edge of the 2U thermal envelope and require performance heatsinks and a high-performance fan kit; we validate the thermal configuration on every high-TDP quote.

Memory

The DL560 Gen9 has 48 DDR4 DIMM slots total, 12 per CPU across the four sockets. The E5-4600 Grantley platform runs four memory channels per CPU at up to three DIMMs per channel (3 DPC), which is how 12 slots per socket are reached. This is the fact most often gotten wrong on this platform: it is four channels per CPU, not six. The six-channel figure belongs to the later Purley generation and does not apply to Grantley.

Maximum memory is 3 TB across all 48 slots using 64 GB modules. RDIMM and LRDIMM cannot be mixed in the same system. Memory speed caps at DDR4-2133 on v3 CPUs and DDR4-2400 on v4 CPUs, and the speed steps down by one bin under full 3 DPC population. HPE DDR4 Smart Memory is required for rated-speed operation; third-party DDR4 drops to a lower speed regardless of the CPU's rated speed, which is the same documented behavior across the HPE Gen9 line.

Note the architectural distinction from the DL580 Gen9: that platform carries 96 DIMM slots and a 6 TB ceiling through its memory-cartridge design. For a workload that needs more than 3 TB in a single host, the DL580 Gen9 or a Gen10 platform is the right answer. For workloads up to 3 TB, the DL560 Gen9 delivers four-socket scale-up at significantly lower cost. Balanced symmetric population across all populated sockets is required for predictable performance, and NUMA-aware placement matters at four sockets.

Networking and PCIe Expansion

FlexibleLOM mezzanine handles primary networking, the same architecture as the rest of the HPE ProLiant Gen9 line, with 1 GbE, 10 GbE SFP+, and 10GBASE-T options. FlexibleLOM does not consume a PCIe expansion slot, which is one of the platform's quiet advantages over designs that put primary networking on a plug-in card.

PCIe expansion provides up to 6 PCIe Gen3 slots in the 2U four-socket layout. Slot availability depends on how many CPUs are populated; some slots are electrically inactive with fewer than four CPUs installed, because their lanes originate from sockets 3 and 4. For a four-socket build planning extensive add-in cards (HBAs, additional NICs, accelerators), confirm the slot map against the populated CPU count at design time.

GPU Support

The DL560 Gen9 is not a GPU compute platform. The 2U four-socket chassis supports at most single-width low-profile cards in the right slot positions, and its PCIe slot map and thermal budget were designed for four-socket CPU scale-up, not for double-width accelerators. If GPU compute is the workload, the four-socket DL580 Gen9 5-Bay 4U platform is the right Gen9 answer, with its 9 PCIe slots and double-wide GPU support; for current-generation GPU density, look at a Gen10 or later platform built for accelerators.

Management: iLO 4 Generation

Management is iLO 4, the Gen9 generation, not the iLO 5 that arrived with Gen10. iLO Standard ships with refurbished units; iLO Advanced licensing is typically a separate cost when full graphical remote KVM, virtual media mounting, and Active Health System telemetry are needed, and on a four-socket mission-critical platform iLO Advanced is rarely optional. We quote it explicitly with any DL560 Gen9 build.

The Gen9 firmware integrity baseline is UEFI Secure Boot. The DL560 Gen9 does not have the hardware-anchored Silicon Root of Trust that Gen10 introduced; if a documented hardware root-of-trust attestation chain is a compliance requirement, that is a reason to step to the DL560 Gen10 8-Bay platform. NUMA topology visibility through iLO 4 and HPE OneView is meaningful here, because workload placement across four sockets is consequential: cross-socket memory access carries a latency penalty, and hypervisor NUMA scheduling, database affinity settings, and OS process binding all matter for performance.

Power and Cooling

HPE Common Slot or Flex Slot power supplies handle power, with 2 to 4 PSUs in production configurations. A fully populated four-socket DL560 Gen9 with mid-tier CPUs and full memory draws roughly 1,000 to 1,400W sustained; with top-bin E5-4669 v4 CPUs and expansion, the draw rises to roughly 1,400 to 1,800W sustained.

• 2x 1200W PSU (typical production). Standard for most four-socket Gen9 builds, covering mid-tier CPU configurations in N+1 redundancy.
• 2x or 4x 1500W PSU (high TDP). Required for top-bin CPU configurations or builds with extensive expansion. The 1500W supplies require high-line input at 200 to 240VAC, so confirm rack PDU and circuit capacity.

Take redundant PSU on every production build; the workloads that justify four sockets are workloads where unplanned downtime has documented cost. We run the HPE Power Advisor against every quote. Thermally, a 2U four-socket chassis is aggressive: ASHRAE A3 ambient operation is supported with performance heatsinks, and we confirm the inlet temperature spec for top-bin CPU configurations at quote time.

Physical Specs and Platform Notes

• Form factor. 2U rack chassis carrying four sockets, roughly one rack U per CPU, a genuine density advantage over the 4U DL580 Gen9 for the same socket count. Confirm rack depth and rail clearance against your cabinet at quote time.
• PCIe expansion. Up to 6 PCIe Gen3 slots in the four-socket layout, with availability tied to the populated CPU count as noted above.
• Parts availability. Mature and broad. Gen9 components are widely available on the secondary market; with HPE active support ended, third-party maintenance is the standard production support path and we coordinate it on request.
• Accessories we recommend. The HPE 2U rail kit and cable management arm for the chassis (confirm the exact kit for your rack at quote), and the HPE M.2 SSD enablement card so OS boot does not consume an SFF data bay.
• Platform notes. The four-socket configuration requires the CPU mezzanine board carrying sockets 3 and 4; NUMA-aware workload placement is consequential at four sockets; high-TDP CPU builds require performance heatsinks and a high-performance fan kit; and FlexibleLOM networking does not consume a PCIe slot.

Our Assessment

Where it excels. The DL560 Gen9 is at its best as a budget-driven four-socket scale-up host: Oracle and SQL Server consolidation where per-core licensing economics favor fewer sockets with more cores each, general four-socket virtualization standardized on Gen9, and capacity-add to an existing Gen9 fleet. The 2U footprint is a real advantage when rack density matters, and the E5-4600 platform delivers four-socket compute and up to 3 TB of memory at a fraction of the cost of current-generation four-socket hardware.

Where to look instead. If the working set needs more than 3 TB per host, or the workload requires the E7 platform's Lockstep and MCA Recovery RAS features, the DL580 Gen9 4U platform is the correct Gen9 choice. If you need iLO 5, Silicon Root of Trust, DDR4-2933, or active HPE support, step to the DL560 Gen10 8-Bay platform. If two sockets are genuinely sufficient, the DL380 Gen9 16-Bay 2.5" or the 1U DL360 Gen9 10-Bay 2.5" deliver the same Grantley generation at materially lower cost and complexity.

Bottom line. The DL560 Gen9 is a precision tool for four-socket scale-up at Gen9 economics, not a default upgrade from a dual-socket server. It is the right buy when the workload genuinely needs four sockets, fits within 3 TB of memory, and does not require E7 RAS features or current-generation firmware security, and when acquisition cost is a meaningful design constraint.

Honest Limitations

• Memory ceiling at 3 TB. Lower than the DL580 Gen9's 6 TB. For workloads needing more than 3 TB per host, the DL580 Gen9 or a Gen10 platform is correct.
• E5 RAS set, not E7. Standard ECC and patrol scrubbing rather than the DL580 Gen9's Lockstep, MCA Recovery, and expanded online sparing. For workloads that mandate E7-class RAS, the DL580 Gen9 is the right platform.
• Four-socket TDP in a 2U envelope. Top-bin E5-4669 v4 configurations sit at the edge of the thermal envelope and require performance heatsinks and high-performance fans.
• No CPU mixing. All four CPUs must be the same SKU, and v3 and v4 generations cannot be mixed.
• Limited GPU expansion. Not a primary GPU compute platform. For four-socket plus GPU at Gen9, the DL580 Gen9 4U is correct.
• NUMA placement matters. Cross-socket memory access carries a latency penalty; hypervisor NUMA scheduling and database affinity settings all matter for performance.
• Gen9 generational caveats apply. HPE active warranty ended, iLO 4 without Silicon Root of Trust, DDR4-2400 (v4) or DDR4-2133 (v3) speed cap with step-down under full population, PCIe Gen3 only, flash-backed write cache battery as a wear item, and HPE Smart Memory required for rated speeds.

Workload Fit

Where to Look Instead

• Need the E7 platform with 96 DIMMs and a 6 TB ceiling? The DL580 Gen9 5-Bay 2.5" is the 4U 4-socket Brickland flagship for scale-up workloads.
• Need Gen10 4-socket with iLO 5 and Silicon Root of Trust? The DL560 Gen10 8-Bay 2.5" is the current-generation four-socket platform.
• Dual-socket Gen9 sufficient, 2U? The DL380 Gen9 16-Bay 2.5" is the 2U dual-socket Grantley mainstream.
• Dual-socket Gen9 sufficient, 1U? The DL360 Gen9 10-Bay 2.5" is the 1U dual-socket Grantley option.
• Dell shop alternative at the same Gen9 4-socket 2U tier? The Dell PowerEdge R830 is the 2U 4-socket E5-4600 Grantley counterpart, equivalent positioning, same generation.

Ready to Configure?

A DL560 Gen9 build starts with a design conversation. Tell us the workload (Oracle, SQL Server, virtualization, SAP HANA at Gen9, or general four-socket consolidation), the licensing context (per-core or per-socket), the CPU and core target, the memory target within the 3 TB ceiling, the storage configuration, the FlexibleLOM choice, the PSU and redundancy preference, and the quantity. We respond within 24 hours with a validated configuration including HPE Power Advisor sizing, thermal validation for high-TDP builds, and third-party maintenance coordination when requested. Every refurbished unit ships with the Wholesale Servers 180-day warranty and 12+ hour burn-in testing, and volume pricing starts at 5 units. Call 1-800-778-1545 or use the quote form below.