Hewlett Packard Enterprise HPE ProLiant ML350 Gen9 upgrades
Released 2014 · support ended
Dual-socket 5U tower server. CPU form factor is LGA2011-3 (Socket R3) - not in the standard socket list; cpu_families are Xeon E5-2600 v3 and E5-2600 v4 (v4 needs later BIOS/QuickSpecs). Nothing is soldered: both RAM and CPU are socketed.
Upgrade guide → What fits, step by step, and official documents.
- 24x DDR4 DIMM (RDIMM/LRDIMM only), ECC registered: 24 × DDR4 DIMM · up to 3.072 TB total · 2400 MT/s · registered (RDIMM) · ECC
- Hot-plug SFF/LFF SAS/SATA bays, NVMe kit, M.2 2280: 48 × SSD / HDD 2.5" / 3.5" / M.2 2280 (SAS / SATA / NVMe) · up to 288 TB
- 2x LGA2011-3 (Socket R3) Xeon E5-2600 v3/v4: 2 × LGA3647 · Xeon E-2100/2200, Xeon E-2100/2200 · max 145 W · install matching CPUs
Slot map
24x DDR4 DIMM (RDIMM/LRDIMM only), ECC registered 24 × DDR4 DIMM · up to 3.072 TB total · 2400 MT/s · registered (RDIMM) · ECC
24 slots = 12 per CPU; only 12 usable with one processor. ECC RDIMM/LRDIMM required (no UDIMM/non-ECC). v4 CPUs unlock 2400 MT/s and 64/128 GB LRDIMMs (up to 3 TB); v3 CPUs cap at 768 GB/2133 MT/s. 3 DIMMs per channel drops speed to 1600 MT/s. Don't mix RDIMM with LRDIMM or 2133 with 2400 modules; no quad-rank RDIMMs. HPE SmartMemory needed for published maxima.
| $/GB | Price | Capacity | Product | Condition | Store | Link |
|---|---|---|---|---|---|---|
| $4.38 | $70.00 | 16 GB | Micron 16GB DDR4-2666 ECC RDIMM runs at 2400 MT/s DDR4-2666 CL19 DIMM RDIMM ECC | Used | eBay US +2 | View deal Amazon Price alert |
| $6.25 | $399.95 | 64 GB | Samsung 64GB DDR4-2933 ECC RDIMM runs at 2400 MT/s DDR4-2933 CL21 DIMM RDIMM ECC | Used | eBay US +2 | View deal Amazon Price alert |
| $6.62 | $105.97 | 16 GB | Micron 16GB DDR4-2666 ECC RDIMM runs at 2400 MT/s DDR4-2666 CL19 DIMM RDIMM ECC | New | eBay US +2 | View deal Amazon Price alert |
| $6.69 | $213.99 | 32 GB | Samsung 32GB DDR4-2933 ECC RDIMM runs at 2400 MT/s DDR4-2933 CL21 DIMM RDIMM ECC | Used | eBay US +2 | View deal Amazon Price alert |
| $7.32 | $117.06 | 16 GB | Micron 16GB DDR4-2666 ECC RDIMM runs at 2400 MT/s DDR4-2666 CL19 DIMM RDIMM ECC | Refurbished | eBay US +2 | View deal Amazon Price alert |
| $7.50 | $239.94 | 32 GB | Samsung 32GB DDR4-2933 ECC RDIMM runs at 2400 MT/s DDR4-2933 CL21 DIMM RDIMM ECC | Refurbished | eBay US +1 | View deal Amazon Price alert |
| $7.58 | $485.00 | 64 GB | Samsung 64GB DDR4-2933 ECC RDIMM runs at 2400 MT/s DDR4-2933 CL21 DIMM RDIMM ECC | New | eBay US +2 | View deal Amazon Price alert |
| $7.81 | $499.94 | 64 GB | Samsung 64GB DDR4-2933 ECC RDIMM runs at 2400 MT/s DDR4-2933 CL21 DIMM RDIMM ECC | Refurbished | eBay US +1 | View deal Amazon Price alert |
| $8.72 | $278.95 | 32 GB | Samsung 32GB DDR4-2933 ECC RDIMM runs at 2400 MT/s DDR4-2933 CL21 DIMM RDIMM ECC | New | eBay US +2 | View deal Amazon Price alert |
Hot-plug SFF/LFF SAS/SATA bays, NVMe kit, M.2 2280 48 × SSD / HDD 2.5" / 3.5" / M.2 2280 (SAS / SATA / NVMe) · up to 288 TB
Bays are chassis dependent: SFF cage 8->48 bays, LFF cage 8->24 bays (converting needs cage/backplane parts). NVMe is a separate 6-bay kit; M.2 kit (878783-B21) gives 2x SATA 2280 only, eats PCIe slot 1 and both B140i ports, blocking the DVD with 2 drives. Documented max total is 288 TB (24x12 TB LFF, later QuickSpecs). SAS/hardware RAID needs an add-in Smart Array card. Keep drive blanks fitted.
| $/TB | Price | Capacity | Product | Condition | Store | Link |
|---|---|---|---|---|---|---|
| $14.00 | $14.00 | 1 TB | WD Blue Desktop 1 TB 3.5" SATA HDD 3.5" HDD · SATA · 7200 rpm | Used | eBay US +2 | View deal Amazon Price alert |
| $16.25 | $195.00 | 12 TB | Seagate Exos X12 12TB Enterprise HDD (SATA) 3.5" HDD · SATA · 7200 rpm | Used | eBay US +2 | View deal Amazon Price alert |
| $16.60 | $8.30 | 500 GB | HGST Travelstar Z7K500 500GB 2.5" 7200 RPM HDD (7 mm) 2.5" HDD · SATA · 7200 rpm · 7 mm | Used | eBay US +2 | View deal Amazon Price alert |
| $18.00 | $18.00 | 1 TB | BarraCuda 1 TB 3.5" HDD · SATA · 7200 rpm | Used | eBay US +2 | View deal Amazon Price alert |
| $19.72 | $9.86 | 500 GB | Seagate Laptop Thin 500GB 2.5" 7200 RPM HDD (7 mm) 2.5" HDD · SATA · 7200 rpm · 7 mm | Used | eBay US +2 | View deal Amazon Price alert |
| $19.99 | $19.99 | 1 TB | MQ01ABD100 1 TB 2.5" SATA HDD (5400 RPM) 2.5" HDD · SATA · 5400 rpm · 9.5 mm | Used | eBay US +2 | View deal Amazon Price alert |
| $19.99 | $19.99 | 1 TB | Travelstar 5K1000 1 TB 2.5" HDD · SATA · 5400 rpm · 9.5 mm | Used | eBay US +2 | View deal Amazon Price alert |
| $20.00 | $10.00 | 500 GB | Toshiba 500GB 2.5" 5400 RPM HDD (7 mm) 2.5" HDD · SATA · 5400 rpm · 7 mm | Used | eBay US +2 | View deal Amazon Price alert |
| $21.29 | $298.00 | 14 TB | HPE 14TB SAS 12G Midline 7.2K LFF Helium 512e DS HDD 3.5" HDD · SAS · 7200 rpm | New | eBay US +2 | View deal Amazon Price alert |
| $21.36 | $299.00 | 14 TB | HPE 14TB SAS 12G Midline 7.2K LFF Helium 512e DS HDD 3.5" HDD · SAS · 7200 rpm | Used | eBay US +2 | View deal Amazon Price alert |
All compatible storage with filters → · Compare prices: NVMe M.2 2280 SSD, 2.5" SATA SSD, 2.5" laptop hard drive, 3.5" hard drive
2x LGA2011-3 (Socket R3) Xeon E5-2600 v3/v4 2 × LGA3647 · Xeon E-2100/2200, Xeon E-2100/2200 · max 145 W · install matching CPUs
Socket is LGA2011-3 (Socket R3), 2 sockets; second CPU optional. Supports Xeon E5-2600 v3 (original spec) and E5-2600 v4 (later QuickSpecs/BIOS) - verify the exact P/N on HPE's support matrix and update firmware for v4. v4 also unlocks 2400 MT/s RAM, 128 GB LRDIMMs and larger drives. Max TDP 145 W per socket. Single-CPU configs lose 12 DIMM slots and PCIe slots 5-9.
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