The refurbished HPE ProLiant DL360 Gen9 8-Bay 2.5" is the standard SFF configuration of HPE's Gen9 1U dual-socket platform, and the build we treat as the default DL360 Gen9 for general production. Eight 2.5" SAS/SATA hot-swap front bays sit ahead of the Intel Grantley platform: Intel Xeon E5-2600 v3 (Haswell-EP) or v4 (Broadwell-EP) processors on the C610 chipset, 24 DDR4 DIMM slots with a 3 TB memory ceiling, HPE modular Smart Array storage controllers, the FlexibleLOM network mezzanine, and iLO 4 out-of-band management. Eight bays is the right-sized storage footprint for the large majority of 1U dual-socket Gen9 workloads, where primary storage is networked and local disk handles boot, cache, and logs.

This is the full platform reference for the DL360 Gen9: processors, memory, storage controllers, networking, management, power, and an honest read on where a 2014-era platform belongs in a 2026 procurement decision. Where a build needs more than eight bays in the same 1U chassis, the 10-Bay configuration is the maximum-SFF option; where the workload wants large-format capacity, the 4-Bay 3.5" covers it; and where eight bays of local storage are not enough, the 1U form factor is the wrong tool and the 2U DL380 Gen9 is the better answer. Each alternative is linked in context below.

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.

Where the DL360 Gen9 Fits in the Family

The DL360 Gen9 is HPE's 1U dual-socket Gen9 workhorse, the 1U pair-partner to the 2U DL380 Gen9. Within the 1U DL360 Gen9 line there are three storage chassis: the 8-Bay 2.5" SFF on this page, the higher-density DL360 Gen9 10-Bay 2.5" for the maximum SFF count in 1U, and the DL360 Gen9 4-Bay 3.5" for large-format bulk capacity at the edge. The compute, memory, networking, and management platform is identical across all three; the only thing that changes is the front-bay layout.

Step outside the 1U envelope and the decision is about expansion, not generation. When a workload needs more than three PCIe slots or more than ten drives, the DL380 Gen9 8-Bay 2.5" 2U companion is the right move: same Grantley platform, six PCIe slots, double-wide GPU support, and far more storage headroom. For a Dell-shop equivalent at the same 1U Gen9 tier, the Dell PowerEdge R630 10-Bay 2.5" is the direct counterpart: 1U, dual-socket, the same E5-2600 v3/v4 Grantley generation.

Storage - 8 SFF Bays

Eight 2.5" SAS/SATA hot-swap bays line the front of the chassis. This is the standard DL360 Gen9 SFF layout; the 10-Bay variant adds two more bays in the position the optical drive would otherwise occupy. NVMe is supported through the Express Bay option in specific front-bay positions, trading SAS/SATA bay count for PCIe-attached NVMe lanes when low-latency local flash is the requirement.

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 spinning capacity, self-encrypting (SED) variants for compliance-driven deployments, and NVMe via Express Bay. At full population, eight SFF bays deliver tens of terabytes of raw capacity depending on drive selection, with high-capacity SAS and SATA SSDs reaching the largest per-bay figures.

Common 8-Bay storage profiles we quote:

• vSphere cluster node, SAN datastore primary. 2x SSDs in RAID 1 for ESXi boot (or M.2 boot to preserve all eight bays), six SSDs for a vSAN cache device or local datastore. Primary VM storage lives on shared FC or iSCSI.
• Hyper-V cluster node with CSV cache. 2x SSDs for Windows Server boot, six SSDs for CSV cache. Primary VM storage on Storage Spaces Direct or SAN.
• Kubernetes worker host. 2x SSDs in RAID 1 for the OS, six SSDs for ephemeral local storage and container image layers. Persistent volumes ride a network CSI provider.
• Web and application tier. 2x SSDs in RAID 1 for the OS, four to six SSDs in RAID 5 or RAID 10 for application data, logs, and staging.
• Mid-tier SQL Server or Oracle, networked primary storage. 2x SSDs for the OS, 2x SSDs mirrored for tempdb or redo, four SSDs in RAID 10 for logs. Primary datafiles on SAN.
• Infrastructure and branch services. 2x SSDs in RAID 1 for the OS and roles, the remaining bays for supplementary capacity or left open for field growth.

Boot Drives

M.2 SATA via the HPE M.2 SSD enablement card is the cleanest boot pattern on this chassis: it consumes one PCIe slot but keeps all eight front bays available for data. The alternative is 2x SFF SSDs in RAID 1 in the front bays, which costs two of the eight bays. On an 8-bay build that is 25 percent of the storage budget spent on boot, so we default to M.2 boot on DL360 Gen9 8-Bay quotes unless the PCIe slot budget is already committed, in which case front-bay RAID 1 is the fallback.

Storage Controllers

The DL360 Gen9 runs HPE's modular Smart Array controller family. We quote the controller to the workload rather than defaulting to the top SKU:

• Smart Array P440ar (2 GB flash-backed write cache, battery-backed). The mainstream production default for mixed and read-heavy workloads. Mounts in the dedicated modular slot without consuming a standard PCIe slot.
• Smart Array P840 (4 GB flash-backed write cache, battery-backed). The write-intensive choice for transactional databases and heavy logging, where the larger cache earns its place. Occupies a PCIe slot.
• Smart Array H240ar (HBA / pass-through mode). The right controller for software-defined and hyperconverged storage stacks (vSAN, Storage Spaces Direct, Ceph, ZFS) that want raw disks rather than hardware RAID.
• B140i (embedded software RAID via the chipset). OS-boot and light-duty only. We do not quote B140i as a production data-RAID controller; it is a boot-volume convenience, not a storage controller.

All P-series controllers require the HPE Smart Storage Battery for write-back caching, and the flash-backed write cache module is a documented wear item that should be checked on any refurbished unit. For any production array with a meaningful write path, the P440ar or P840 with battery-backed cache is the recommendation; pass-through HBA only when the storage layer is handled in software.

Processors

One or two sockets of Intel Xeon E5-2600 v3 (Haswell-EP) or v4 (Broadwell-EP) on the Grantley C610 platform. The two generations are drop-in compatible within the same socket but cannot be mixed in a single server. Core counts run up to 18 per CPU on v3 (E5-2699 v3) and up to 22 per CPU on v4 (E5-2699 v4), so a dual-socket v4 build reaches 44 cores. TDPs span roughly 55 W on low-power SKUs to 145 W on the top bins.

The 1U thermal envelope is the constraint that drives CPU selection here. Top-bin parts such as the E5-2699 v4 at 145 W and the high-frequency E5-2667 v4 at 135 W require the performance heatsink and the high-performance fan kit; we validate thermal headroom on every top-bin quote rather than assuming the standard heatsink will carry it. A common field error is ordering a high-TDP CPU into a chassis that shipped with standard cooling, so we confirm the heatsink and fan configuration matches the CPU bin before a build leaves.

One more trap worth naming: a single-socket DL360 Gen9 populates only half the platform. Single-CPU builds expose just 12 of the 24 DIMM slots and roughly half the PCIe lanes, so if memory capacity or expansion matters, the second socket is not optional.

Memory

24 DDR4 DIMM slots, 12 per CPU across the platform's memory channels. The ceiling is 3 TB using 128 GB LRDIMMs across all 24 slots; a more typical production build runs 32 GB or 64 GB RDIMMs, landing at 768 GB or 1.5 TB respectively. RDIMM is the mainstream choice; LRDIMM unlocks the highest capacities at a latency cost; NVDIMM-N is available as a niche persistence option on supported configurations. This platform predates Intel Optane persistent memory, which arrived with the later Cascade Lake generation, so PMem is not part of the DL360 Gen9 conversation.

Memory speed is population-dependent. Broadwell-EP v4 CPUs run DDR4-2400 at one DIMM per channel; Haswell-EP v3 tops out at DDR4-2133. Fully populating to two DIMMs per channel steps the speed down a tier, which is the expected behavior, not a fault, and worth planning around when a build needs both maximum capacity and maximum bandwidth. HPE Smart Memory is required to hit rated speeds; third-party DIMMs may train at a lower speed or refuse to post.

Networking and PCIe Expansion

Networking runs through the FlexibleLOM mezzanine rather than fixed onboard ports, so the network personality is a build-spec choice that does not consume a PCIe slot. Options span the 331FLR quad-port 1 GbE for management-tier and branch builds, the 530FLR-SFP+ and 534FLR-SFP+ dual-port 10 GbE SFP+ adapters for mainstream production, 10GBASE-T for copper 10 GbE plants, and 25 GbE SFP28 for the densest east-west fabrics. For dense 1U production, dual-port 10 GbE FlexibleLOM is the typical default.

PCIe expansion is where the 1U chassis shows its limits. With both CPUs populated the DL360 Gen9 offers up to three PCIe Gen3 slots through its riser options, and the slot budget gets allocated carefully: a discrete Smart Array controller, an M.2 boot card, and an add-in NIC or accelerator can fill the chassis quickly. When a workload needs more than three slots, that is the signal to move to the 2U DL380 Gen9 rather than fight the 1U slot count.

GPU Support

GPU and accelerator support in the DL360 Gen9 1U envelope is limited to single-width, low-profile cards within the chassis power and thermal budget; the NVIDIA T-series single-slot accelerators are the representative fit. There is no room for double-wide compute GPUs in 1U. Workloads that need full-height 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 airflow and slot width a large accelerator requires.

Management - iLO 4 Generation

The DL360 Gen9 uses iLO 4, not the iLO 5 that arrived with Gen10. iLO Standard is included and covers health monitoring, power control, and basic remote access; iLO Advanced is the licensed tier that unlocks full graphical remote console, virtual media, and integrated remote KVM, and it is usually quoted separately. Intelligent Provisioning handles firmware and driver deployment, and the Active Health System log is the first place to look when diagnosing a refurbished unit's history.

On the security baseline, iLO 4 predates HPE's Silicon Root of Trust, which is a Gen10 hardware feature. UEFI Secure Boot is the firmware integrity baseline on Gen9, and a TPM module is available for platforms that need a hardware root for BitLocker or measured boot. Deployments with a hard requirement for Silicon Root of Trust hardware attestation should step to the Gen10 platform.

Power and Cooling

Power comes from HPE Flex Slot hot-plug supplies in 500 W, 800 W, and 1400 W ratings at Platinum and Titanium efficiency, configured 1+1 for redundancy. The 800 W Flex Slot pair is the standard production configuration and carries a dual-socket build with a full complement of drives; 500 W is adequate for entry-tier single-CPU builds; 1400 W is reserved for top-bin CPUs paired with high-draw expansion. HPE Power Advisor sizing is part of every quote so the PSU matches the as-configured draw rather than a nameplate guess.

Thermally the chassis supports ASHRAE A3 (40 C) and A4 (45 C) inlet ranges with the performance heatsinks fitted, though we target a 25 C to 30 C inlet for service-life optimization on production deployments. Top-bin CPUs require the high-performance fan kit and a thermal confirmation at quote time; the 1U envelope leaves less headroom than the 2U platform, so cooling is validated rather than assumed.

Physical Specs & Platform Notes

• Form factor: 1U rack chassis, standard-depth, fitting standard four-post racks; cable management adds the usual rear depth allowance behind the chassis.
• PCIe expansion: up to three PCIe Gen3 slots with both CPUs populated, allocated through the riser options; low-profile cards only in the 1U envelope.
• Parts availability: excellent. Gen9 is one of the most widely deployed enterprise generations ever shipped, so drives, 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 rack mounting, a cable management arm for serviceability, and the high-performance fan and heatsink kit on any top-bin CPU build.
• Platform notes: the 8-bay and 10-bay backplanes differ, so a field upgrade from eight to ten bays is a cage-and-backplane job rather than a drop-in; CPU hot-plug is not supported; M.2 boot is strongly preferred over front-bay boot on this chassis to preserve data bays; and top-bin CPU builds need their cooling validated before deployment.

Our Assessment

Where it excels: The 8-Bay DL360 Gen9 is the right answer for 1U dual-socket nodes where storage is networked and local disk carries boot, cache, and logs. It is a strong fit for vSphere and Hyper-V cluster nodes backed by SAN or hyperconverged datastores, Kubernetes worker pools, stateless web and application tiers in dense racks, mid-tier databases with networked primary storage, and the broad class of infrastructure services (domain controllers, DNS, monitoring) that want a reliable 1U box at low acquisition cost.

Where to look instead: If a build needs ten drives in 1U, start at the DL360 Gen9 10-Bay 2.5" rather than expanding bays later. If it needs more than three PCIe slots, double-wide GPUs, or substantially more storage, the 2U DL380 Gen9 is the correct form factor. If the deployment requires iLO 5 and Silicon Root of Trust, step up to the DL360 Gen10 8-Bay 2.5". Where budget is the hard constraint and a value-tier 1U Gen9 will do, the DL160 Gen9 4-Bay 3.5" is the cost-floor option.

Bottom line: This is the default 1U Gen9 build for an organization that runs networked primary storage and wants dependable dual-socket compute at refurbished pricing. It suits the IT team standardizing a virtualization or container cluster on proven hardware, or filling out an infrastructure tier where the per-node cost matters more than the latest platform features. Buyers who need maximum local storage, heavy PCIe expansion, or current-generation security hardware should read the alternatives above before committing.

Where the DL360 Gen9 Fits in 2026

The DL360 Gen9 launched in 2014 on the Grantley platform, which makes it roughly eleven to twelve years into its service life as of 2026. That is mature, not obsolete. The platform is two HPE generations behind the current Gen11 line and one behind Gen10 and Gen10 Plus, and HPE's own active warranty coverage has lapsed, so the honest framing is that this is a cost-driven acquisition where the workload fits comfortably inside the E5-2600 v3/v4 envelope and third-party maintenance covers production support.

That describes a lot of real workloads. Dev, test, and staging environments, branch and edge compute, infrastructure services, lab build-outs, and budget-constrained virtualization clusters all run well on Gen9 hardware at a fraction of current-generation cost. Where the workload needs the newer platform's memory bandwidth, PCIe Gen4, larger core counts, or Silicon Root of Trust security, the DL360 Gen10 is the step up. The decision is a straightforward cost-versus-capability tradeoff, and for a large share of 1U dual-socket workloads the Gen9 still lands on the right side of it.

Honest Limitations

• iLO 4 management, without the Silicon Root of Trust hardware attestation introduced on Gen10.
• DDR4 speed caps at DDR4-2400 (v4) or DDR4-2133 (v3), and steps down a tier under full two-DIMM-per-channel population.
• PCIe Gen3 only, and just three slots in the 1U chassis, which is a tight expansion budget.
• The flash-backed write cache module on Smart Array P-series controllers is a wear item and should be verified on any refurbished unit.
• v3 and v4 CPUs cannot be mixed in the same server, and single-socket builds expose only half the DIMM slots and PCIe lanes.
• HPE Smart Memory is required to reach rated DIMM speeds; third-party memory may train slower or fail to post.
• Networking is FlexibleLOM-only with no fixed onboard ports, so a FlexibleLOM adapter is mandatory, not optional.
• The 1U thermal envelope limits cooling headroom; top-bin CPUs require the performance fan and heatsink kit and a thermal check.
• No double-wide GPU support in 1U; single-width low-profile accelerators only.
• Moving from eight to ten bays in the field is a cage-and-backplane change, not a drive add, so size the bay count up front.

Workload Fit

Where to Look Instead

• Need ten SFF bays in the same 1U chassis? The DL360 Gen9 10-Bay 2.5" is the maximum-SFF density option on the platform.
• Need large-format capacity at the edge? The DL360 Gen9 4-Bay 3.5" takes LFF drives in the same 1U body for bulk-capacity branch and backup roles.
• Need more PCIe slots or more storage than 1U allows? The DL380 Gen9 8-Bay 2.5" is the 2U companion with six PCIe slots and double-wide GPU support.
• Need current-generation 1U with iLO 5 and Silicon Root of Trust? The DL360 Gen10 8-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 that includes 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.