The refurbished HPE ProLiant DL360 Gen9 10-Bay 2.5" is the maximum-SFF-density configuration of HPE's Gen9 1U dual-socket line: ten 2.5" SAS/SATA hot-swap bays, the most front storage the 1U chassis holds. It runs the same Intel Grantley platform as the rest of the family, Intel Xeon E5-2600 v3 (Haswell-EP) or v4 (Broadwell-EP) on the C610 chipset, up to 22 cores per CPU on v4 (44 cores across two sockets), 24 DDR4 DIMM slots with a 3 TB ceiling, HPE modular Smart Array controllers, the FlexibleLOM mezzanine, and iLO 4 management. The two extra bays over the standard 8-Bay build are the point: this is the variant to pick when SFF capacity inside a single rack unit is the driver.

This page covers what is specific to the 10-bay layout, the high-density storage profiles it enables and where the extra two bays earn their place. The compute, memory, networking, and management platform is shared across every DL360 Gen9 chassis; the DL360 Gen9 8-Bay 2.5" is the primary page for the family and the standard build for compute-driven 1U workloads that do not need the extra bays.

To configure a build, call 1-800-778-1545 or use the quote form below. Every refurbished unit ships under our 180-day warranty after a 12+ hour burn-in test, and volume pricing starts at 5 units.

When 10 SFF Bays Is the Right Density

Ten 2.5" bays is the maximum SFF count the DL360 Gen9 1U chassis supports, and the two bays beyond the standard eight come from the area a slim optical drive would otherwise occupy. The 10-Bay is the right pick when local SFF capacity matters within the 1U footprint, rather than the compute-first case the 8-Bay covers:

• Dense vSphere cluster nodes with vSAN. Boot off M.2 or a front-bay pair, two cache SSDs, and six to eight capacity SSDs in the vSAN disk group, all in 1U. The extra bays let a hyperconverged node carry a useful local capacity tier without going to 2U.
• Hyper-V and Storage Spaces Direct nodes at rack density. The same HCI pattern on the Microsoft side, where S2D ReadyNode-style designs benefit from the extra capacity disks per 1U node.
• Web and application tier in dense racks. A boot pair plus four to eight SSDs for application data and logs, at 1U per server, for deployments running many instances behind load balancers.
• Hyperscale-style compute pools. Kubernetes worker pools and container hosts where local SSD carries ephemeral data and image layers while persistent volumes ride the network.
• Mid-tier databases with local working storage. Boot, a mirrored tempdb or redo pair, and additional SSDs for local working sets, with primary datafiles on SAN.
• Edge and ROBO where one 1U box does everything. Ten bays cover branch file services, infrastructure roles, and local virtualization on a single rack-efficient server.

If the workload is compute-driven and does not need ten bays, the DL360 Gen9 8-Bay 2.5" is the standard build. If bulk large-format capacity is the requirement, the DL360 Gen9 4-Bay 3.5" takes LFF drives in the same 1U body. And if storage or expansion needs exceed what 1U holds, the 2U DL380 Gen9 16-Bay 2.5" is the move.

Storage - 10 SFF Bays

Ten 2.5" SAS/SATA hot-swap bays across the front of the chassis, the maximum SFF configuration for the 1U DL360 Gen9. NVMe is supported through the Express Bay option in specific positions (up to four SFF NVMe), trading SAS/SATA bay count for PCIe-attached NVMe lanes. At full population, ten SFF bays deliver tens of terabytes of raw capacity depending on drive choice, with high-capacity SAS and SATA SSDs reaching the largest per-bay figures.

The drive portfolio spans the full Gen9 SFF range: SAS SSDs in mixed-use and read-intensive endurance classes, cost-optimized SATA SSDs, 10K and 15K SAS HDDs for moderate-IOPS spinning storage, self-encrypting (SED) variants for compliance, and NVMe via Express Bay. Common 10-Bay storage profiles we quote:

• vSAN node. M.2 or front-bay boot, two cache SSDs, six to eight capacity SSDs in the disk group, primary VM storage distributed across the cluster.
• S2D node. A boot pair, cache and capacity SSDs split per the Storage Spaces Direct design, with the extra bays improving per-node capacity.
• Web and app tier. 2x SSDs in RAID 1 for the OS, four to eight SSDs in RAID 5 or RAID 10 for application data and logs.
• Container host. A boot pair plus local SSDs for ephemeral data and image layers; persistent volumes on a network CSI provider.
• Mid-tier database. An OS pair, mirrored tempdb or redo, additional SSDs for local working sets, primary datafiles on SAN.

Boot Drives

M.2 SATA via the HPE M.2 SSD enablement card is the cleanest boot pattern: it sits in a PCIe slot and preserves all ten front bays for data. The alternative is 2x SFF SSDs in RAID 1 in the front bays, which costs two of the ten bays, a 20 percent bite versus 25 percent on the 8-Bay. The DL360 Gen9 chassis has no rear drive bays, so M.2 and front-bay are the two practical boot options, and we default to M.2 boot on 10-Bay quotes where the PCIe budget allows so the full ten bays stay available for the storage tier.

Storage Controllers

The DL360 Gen9 takes HPE's modular Smart Array controllers, which mount in a chassis-specific slot rather than a PCIe expansion position. That matters more here than on the 2U platform because the 1U chassis has only three PCIe slots total, so keeping the storage controller off PCIe leaves all three slots for networking, an HBA, or an accelerator.

• Smart Array P440ar (2 GB flash-backed write cache, battery-backed). The mainstream production controller; full hardware RAID 0/1/5/6/10/50/60 in the modular slot. The right pick for most 10-Bay production builds.
• Smart Array H240ar (HBA / pass-through, modular). The HCI and software-defined choice (vSAN, Storage Spaces Direct, Ceph), clean SAS pass-through without consuming a PCIe slot.
• Smart Array P840 (PCIe, 4 GB flash-backed write cache, battery-backed). For write-intensive workloads where the 2 GB cache is not enough; it occupies a PCIe slot, so it is a deliberate tradeoff against the tight 1U slot budget.
• B140i (embedded software RAID via the chipset). Boot mirroring only; not a production data-RAID controller on a dual-socket platform.

All P-series controllers require the HPE Smart Storage Battery for write-back caching. The flash-backed cache module is a wear item with a finite service life, and many refurbished units arrive with batteries past spec, so we check battery state and replace aged modules as part of build prep.

Processors

One or two sockets of Intel Xeon E5-2600 v3 (Haswell-EP) or v4 (Broadwell-EP) on the Grantley C610 platform, drop-in compatible within the socket but not mixable in one server. Single-socket builds are supported but expose only 12 of the 24 DIMM slots and a reduced PCIe count, so two sockets is the production standard. The 1U thermal envelope is the real constraint: the chassis carries CPUs up to 145 W, but the top bins need the performance heatsink and high-performance fan kit and an inlet-temperature check, because the 1U margin is tighter than the 2U platform. Common picks:

• E5-2620 v4 (8 cores, 85 W). Entry-tier production; 16 cores at two sockets, the easiest thermal envelope, the budget and branch choice.
• E5-2650 v4 (12 cores, 105 W). Balanced mid-tier; 24 cores at modest TDP, the general-purpose 1U dual-socket default.
• E5-2680 v4 (14 cores, 120 W). Production mainstream; 28 cores at two sockets, comfortable in the 1U envelope on the standard heatsink.
• E5-2667 v4 (8 cores, 135 W, 3.2 GHz base). High-frequency, low-core-count for per-core-licensed software; requires the performance heatsink.
• E5-2699 v4 (22 cores, 145 W). Top bin; 44 cores at two sockets is achievable but at the edge of the 1U thermal envelope, so it requires the performance heatsink, performance fans, and an inlet-temperature confirmation. We validate thermal headroom on every top-bin quote.

A common field error is dropping a high-TDP CPU into a chassis that shipped with standard cooling, so we confirm the heatsink and fan kit match the CPU bin before a build leaves.

Memory

24 DDR4 DIMM slots, 12 per CPU, the same memory architecture as the 2U DL380 Gen9; HPE did not cut DIMM count for the 1U form factor on Gen9. The ceiling is 3 TB with 128 GB LRDIMMs across all 24 slots, while a typical production build runs 32 GB or 64 GB RDIMMs for 768 GB or 1.5 TB. RDIMM is the mainstream choice and LRDIMM unlocks the top capacities at a latency cost; NVDIMM-N is available on v4 configurations as a niche persistence option. Speed is population-dependent: DDR4-2400 on v4 and DDR4-2133 on v3 at one DIMM per channel, stepping down a tier at full two-DIMM-per-channel population. HPE Smart Memory is required for rated speeds, and this platform predates Intel Optane persistent memory, so PMem is not part of the conversation here.

Networking and PCIe Expansion

The DL360 Gen9 uses FlexibleLOM as the primary networking mezzanine, with no embedded fixed ports alongside it, so the FlexibleLOM choice is part of the build spec and does not consume a PCIe slot. Options span the 331FLR quad-port 1 GbE, the 530FLR-SFP+ and 534FLR-SFP+ dual-port 10 GbE SFP+ adapters, 10GBASE-T, and 25 GbE SFP28 FlexFabric. Dense 1U racks usually pair with top-of-rack 10 GbE, so 10 GbE FlexibleLOM is the typical default; 1 GbE is acceptable for branch and edge.

PCIe expansion is the 1U constraint: up to three PCIe Gen3 slots with both CPUs populated, versus six on the 2U DL380 Gen9. A single-socket build populates only two of the three. The slot budget is tight, so it gets allocated deliberately between an add-in HBA, a discrete controller, an accelerator, or specialty cards. When a workload needs more than three slots, the DL380 Gen9 is the right form factor.

GPU Support

GPU support in the 1U envelope is single-width, low-profile cards only, within the chassis power and thermal budget, with an NVIDIA T-series single-slot accelerator as the representative fit. There is no room for double-wide compute GPUs in 1U. Workloads that need double-wide accelerators, multiple GPUs, or higher per-card power belong in the 2U DL380 Gen9 or a 4-socket DL560-class platform, where the chassis can deliver the slot width and airflow a larger accelerator requires.

Management - iLO 4 Generation

The DL360 Gen9 ships with iLO 4, the same management generation as the rest of the Gen9 line, which is a real value point for a fleet standardizing on Gen9. iLO Standard covers health monitoring, power control, IPMI, SNMP telemetry, and the Active Health System log; iLO Advanced is the licensed tier for full graphical remote console and virtual media, and for a 1U lights-out deployment it is rarely optional given the operational benefit. We quote iLO Advanced explicitly when the deployment needs it.

The architectural difference from Gen10 is the security baseline: iLO 4 predates the Silicon Root of Trust hardware verification introduced with iLO 5. UEFI Secure Boot is the firmware integrity baseline on Gen9, and a TPM module is available where a hardware root is required. Deployments under compliance frameworks that require platform attestation should treat this as a documented gap versus Gen10 and either add compensating controls or step up.

Power and Cooling

HPE Flex Slot hot-plug supplies in 1+1 redundancy. The 500 W Platinum supply suits low-TDP single-CPU or modest dual-CPU builds; the 800 W Platinum or Titanium pair is the standard production choice and carries a dual-socket build with full memory and ten SSDs, including E5-2680 or E5-2690 v4; the 1400 W Platinum is the pick for top-bin E5-2699 v4 or NVMe-heavy builds. HPE Power Advisor sizing is part of every quote so the supply matches the as-configured draw.

Thermally the 1U chassis runs hotter than 2U at equivalent CPU TDP because the envelope is tighter. ASHRAE A3 (40 C) and A4 (45 C) extended ambient operation are supported on most configurations with performance heatsinks, though the top of A4 eats operational margin. We target a 25 C to 30 C inlet for service-life optimization on production deployments and validate thermals on every top-bin CPU quote.

Physical Specs & Platform Notes

• Form factor: 1U rack chassis, standard depth for four-post racks, with the usual rear allowance for cable management.
• PCIe expansion: up to three PCIe Gen3 slots with both CPUs populated (two with a single CPU), low-profile in the 1U envelope; the modular controller slot keeps the Smart Array off PCIe.
• Parts availability: excellent. Gen9 SFF drives, modular controllers, FlexibleLOM adapters, PSUs, and rails are deep on the secondary market. HPE active warranty support has ended, and third-party maintenance is the standard production support path in 2026.
• Accessories we recommend: the HPE 1U SFF ball-bearing sliding rail kit (P/N 679368-001 / 728437-001) for tool-less mounting, a cable management arm, and the HPE M.2 SSD enablement card so boot stays off the ten front bays.
• Platform notes: the two extra bays over the 8-Bay come from the optical-drive area and share the same backplane family; there are no rear drive bays on this chassis; CPU hot-plug is not supported; and top-bin CPU builds need their cooling validated before deployment.

Our Assessment

Where it excels: The 10-Bay is the configuration for hyperconverged and storage-leaning 1U nodes: vSAN and Storage Spaces Direct clusters that want a real local capacity tier per node, dense web and application tiers, and edge or ROBO boxes that consolidate compute and storage into a single rack unit. When the design calls for the most SFF capacity HPE puts in a 1U Gen9 chassis, this is the build.

Where to look instead: If the workload is compute-driven and does not need ten bays, the DL360 Gen9 8-Bay 2.5" is the standard and more economical build. For large-format bulk capacity, the DL360 Gen9 4-Bay 3.5" is the LFF option. For more PCIe slots, double-wide GPUs, or more than ten drives, the DL380 Gen9 16-Bay 2.5" at 2U is the form factor, and for current-generation 1U with iLO 5 and Silicon Root of Trust, the DL360 Gen10 10-Bay 2.5" is the step up.

Bottom line: This is the maximum-density 1U Gen9 SFF build, for the team that wants local storage capacity without giving up rack density. It suits HCI cluster nodes and storage-leaning compute at refurbished pricing, and it is more chassis than a compute-only workload needs, where the 8-Bay is the better-value pick. Buyers who need current-generation security hardware, PCIe Gen4, or active HPE support should weigh the Gen10 step before committing.

Where the DL360 Gen9 Fits in 2026

The DL360 Gen9 launched in 2014 on Haswell-EP with a Broadwell-EP refresh in 2016, which puts it roughly eleven to twelve years into service as of 2026. HPE active warranty and ProSupport on Gen9 hardware has ended for both v3 and v4 builds, and third-party maintenance from established providers is the standard production support path. Gen10 (Skylake-SP and Cascade Lake-SP) introduced iLO 5 with Silicon Root of Trust, faster DDR4, and per-core performance gains, while Gen10 Plus and Gen11 brought PCIe Gen4 and DDR5.

The honest framing is a cost-versus-capability call. For new mission-critical deployments that need current security baselines, faster memory, PCIe Gen4, or active HPE support, the DL360 Gen10 is the right answer. The Gen9 10-Bay earns its place extending an existing Gen9 fleet, in rack-density-driven workloads, in lab and staging that mirrors Gen9 production, and in budget-driven deployments where the workload fits the platform and the broad Gen9 parts supply is operationally valuable.

Honest Limitations

• HPE active warranty and ProSupport on Gen9 has ended for both v3 and v4 builds; production support is via third-party maintenance.
• iLO 4, not iLO 5, so no Silicon Root of Trust; firmware integrity rests on UEFI Secure Boot, a documented gap for platform-attestation compliance.
• DDR4 speed caps at DDR4-2400 (v4) or DDR4-2133 (v3) and steps down under full DIMM population; HPE Smart Memory required for rated speeds.
• PCIe expansion is three slots maximum; workloads needing more belong on the 2U DL380 Gen9 with six slots.
• No double-wide GPU support in 1U; single-width low-profile accelerators only.
• PCIe Gen3 only; PCIe Gen4 needs Gen10 Plus or Gen11.
• The 1U thermal envelope is tighter than 2U; top-bin CPUs require the performance heatsink and fan kit and an inlet check.
• The flash-backed write cache module on P-series controllers is a wear item and is verified on every refurbished unit.
• Networking is FlexibleLOM-only with no embedded fixed ports, so a FlexibleLOM adapter is mandatory.

Workload Fit

Where to Look Instead

• Compute-driven and do not need ten bays? The DL360 Gen9 8-Bay 2.5" is the standard 1U build for the family.
• Need large-format capacity in 1U? The DL360 Gen9 4-Bay 3.5" takes LFF drives for edge and backup roles.
• Need more PCIe slots or more than ten drives? The DL380 Gen9 16-Bay 2.5" is the 2U companion with six PCIe slots.
• Need current-generation 1U with iLO 5 and Silicon Root of Trust? The DL360 Gen10 10-Bay 2.5" is the direct generational step up.
• Working to the tightest budget on a 1U Gen9 build? The DL160 Gen9 4-Bay 3.5" is the value-tier 1U Gen9 step down.
• Standardized on Dell? The Dell PowerEdge R630 10-Bay 2.5" is the equivalent 1U dual-socket Grantley platform from the same generation.

Ready to Configure?

Tell us the workload, the CPU generation preference (v3 versus v4), the CPU TDP context (the 1U thermal envelope matters for top-bin choices), the memory target, the storage configuration (drive types, RAID layout, controller preference, and M.2 versus front-bay boot), the FlexibleLOM choice (1, 10, or 25 GbE), the PSU configuration, and the quantity. We respond within 24 hours with a validated configuration including HPE Power Advisor sizing, thermal validation on high-TDP builds, and third-party maintenance coordination when you want it. Every refurbished unit ships with the Wholesale Servers 180-day warranty after a 12+ hour burn-in test, and volume pricing starts at 5 units. Call 1-800-778-1545 or use the quote form below.