Dell PowerEdge R6515 upgrades
1U single-socket server (EPYC 7002/7003) with no soldered memory. Drive bay layout is fixed by the chassis configuration. No SD or memory-card slot is listed.
- DDR4 RDIMM/LRDIMM slots: 16 × DDR4 DIMM · up to 2.048 TB total · 3200 MT/s · registered (RDIMM) · ECC
- Front 3.5" hot-plug bays: 4 × HDD / SSD 3.5" (SAS / SATA)
- Front 2.5" hot-plug bays (SAS/SATA/NVMe): 10 × HDD / SSD 2.5" (SAS / SATA / NVMe)
- Optional BOSS-S1 internal M.2 module: 2 × SSD M.2 2280 (SATA)
DDR4 RDIMM/LRDIMM slots 16 × DDR4 DIMM · up to 2.048 TB total · 3200 MT/s · registered (RDIMM) · ECC
RDIMM or LRDIMM only; UDIMM and SO-DIMM are not supported. 16 slots, two per channel across eight channels. 128 GB needs LRDIMM (RDIMMs max 64 GB, 1 TB total). 3200 MT/s with one DIMM per channel; 2933 MT/s (or 2666 for older 128 GB LRDIMMs) with two. Do not mix the 2666 and 3200 MT/s 128 GB LRDIMMs, or 32 GB x4 (8Gb) with x8 (16Gb) RDIMMs.
| $/GB | Price | Capacity | Product | Condition | Store | Link |
|---|---|---|---|---|---|---|
| $4.38 | $70.00 | 16 GB | Micron 16GB DDR4-2666 ECC RDIMM DDR4-2666 CL19 DIMM RDIMM ECC | Used | eBay US +2 | View deal |
| $6.62 | $105.97 | 16 GB | Micron 16GB DDR4-2666 ECC RDIMM DDR4-2666 CL19 DIMM RDIMM ECC | New | eBay US +2 | View deal |
| $7.03 | $224.95 | 32 GB | Samsung 32GB DDR4-2933 ECC RDIMM DDR4-2933 CL21 DIMM RDIMM ECC | Used | eBay US +2 | View deal |
| $7.03 | $449.95 | 64 GB | Samsung 64GB DDR4-2933 ECC RDIMM DDR4-2933 CL21 DIMM RDIMM ECC | Used | eBay US +2 | View deal |
| $7.50 | $239.94 | 32 GB | Samsung 32GB DDR4-2933 ECC RDIMM DDR4-2933 CL21 DIMM RDIMM ECC | Refurbished | eBay US +1 | View deal |
| $7.81 | $499.94 | 64 GB | Samsung 64GB DDR4-2933 ECC RDIMM DDR4-2933 CL21 DIMM RDIMM ECC | Refurbished | eBay US | View deal |
| $8.59 | $137.50 | 16 GB | Micron 16GB DDR4-2666 ECC RDIMM DDR4-2666 CL19 DIMM RDIMM ECC | Refurbished | eBay US +2 | View deal |
| $8.72 | $278.95 | 32 GB | Samsung 32GB DDR4-2933 ECC RDIMM DDR4-2933 CL21 DIMM RDIMM ECC | New | eBay US +2 | View deal |
| $10.16 | $649.95 | 64 GB | Samsung 64GB DDR4-2933 ECC RDIMM DDR4-2933 CL21 DIMM RDIMM ECC | New | eBay US +2 | View deal |
Front 3.5" hot-plug bays 4 × HDD / SSD 3.5" (SAS / SATA)
Up to 4 bays, chosen at purchase as a chassis option. Dell lists 7.2K drives up to 16 TB, but no official maximum is documented. Needs hot-plug caddies. Check the chassis configuration of any used unit.
| $/TB | Price | Capacity | Product | Condition | Store | Link |
|---|---|---|---|---|---|---|
| $7.50 | $59.99 | 8 TB | Seagate BarraCuda 8TB 3.5" HDD 3.5" HDD · SATA · 5400 rpm · SMR | Used | eBay US +2 | View deal |
| $19.73 | $315.68 | 16 TB | Seagate Exos X18 16TB 3.5" SATA HDD 3.5" HDD · SATA · 7200 rpm | Used | eBay US +2 | View deal |
| $28.12 | $224.99 | 8 TB | Seagate IronWolf 8TB 3.5" NAS HDD 3.5" HDD · SATA · 7200 rpm | Used | eBay US +2 | View deal |
| $31.19 | $499.00 | 16 TB | Seagate Exos X18 16TB 3.5" SATA HDD 3.5" HDD · SATA · 7200 rpm | Refurbished | eBay US +1 | View deal |
| $31.25 | $500.00 | 16 TB | Seagate Exos X18 16TB 3.5" SATA HDD 3.5" HDD · SATA · 7200 rpm | New | eBay US +2 | View deal |
| $31.49 | $125.95 | 4 TB | Seagate IronWolf 4TB 3.5" NAS HDD 3.5" HDD · SATA · 5400 rpm | Used | eBay US +2 | View deal |
| $31.67 | $380.00 | 12 TB | Toshiba N300 12TB 3.5" NAS HDD 3.5" HDD · SATA · 7200 rpm | Used | eBay US | View deal |
| $34.94 | $559.00 | 16 TB | WD Ultrastar DC HC550 16TB 3.5" SAS HDD 3.5" HDD · SAS · 7200 rpm | Refurbished | eBay US | View deal |
| $35.62 | $285.00 | 8 TB | WD Red Plus 8TB 3.5" NAS HDD 3.5" HDD · SATA · 5640 rpm | New | eBay US +2 | View deal |
| $37.16 | $594.49 | 16 TB | WD Ultrastar DC HC550 16TB 3.5" SAS HDD 3.5" HDD · SAS · 7200 rpm | Used | eBay US | View deal |
Front 2.5" hot-plug bays (SAS/SATA/NVMe) 10 × HDD / SSD 2.5" (SAS / SATA / NVMe)
Chassis options are 8 SAS/SATA bays, 8 SAS/SATA/NVMe plus 2 NVMe, or 10 NVMe-only bays. The layout is fixed by the chassis, so confirm how many bays are NVMe-capable. The Technical Guide lists NVMe SSDs as PCIe Gen3. Drive thickness limit is not stated in the sources.
| $/TB | Price | Capacity | Product | Condition | Store | Link |
|---|---|---|---|---|---|---|
| $34.03 | $40.84 | 1.2 TB | Seagate Exos 10E2400 1.2TB 2.5" SAS 10K HDD 2.5" HDD · SAS · 10000 rpm · 15 mm | Used | eBay US +2 | View deal |
| $45.89 | $55.07 | 1.2 TB | Seagate Exos 10E2400 1.2TB 2.5" SAS 10K HDD 2.5" HDD · SAS · 10000 rpm · 15 mm | New | eBay US +2 | View deal |
| $59.50 | $119.00 | 2 TB | Seagate BarraCuda 2TB 2.5" 5400 RPM HDD 2.5" HDD · SATA · 5400 rpm · SMR · 7 mm | New | eBay US +2 | View deal |
| $59.50 | $119.00 | 2 TB | Seagate BarraCuda 2TB 2.5" 5400 RPM HDD 2.5" HDD · SATA · 5400 rpm · SMR · 7 mm | Used | eBay US +2 | View deal |
| $64.50 | $129.00 | 2 TB | Crucial MX500 2TB 2.5" SATA SSD 2.5" SSD · SATA · 7 mm | Used | eBay US +2 | View deal |
| $74.99 | $89.99 | 1.2 TB | Seagate Exos 10E2400 1.2TB 2.5" SAS 10K HDD 2.5" HDD · SAS · 10000 rpm · 15 mm | Refurbished | eBay US +1 | View deal |
| $105.00 | $420.00 | 4 TB | Samsung 870 EVO 4TB 2.5" SATA SSD 2.5" SSD · SATA · 7 mm | Used | eBay US +2 | View deal |
| $112.18 | $224.37 | 2 TB | Crucial MX500 2TB 2.5" SATA SSD 2.5" SSD · SATA · 7 mm | New | eBay US +2 | View deal |
| $114.99 | $229.98 | 2 TB | Toshiba L200 2TB 2.5" 5400 RPM HDD (9.5 mm) 2.5" HDD · SATA · 5400 rpm · SMR · 9.5 mm | New | eBay US +1 | View deal |
| $125.00 | $125.00 | 1 TB | Samsung 870 EVO 1TB 2.5" SATA SSD 2.5" SSD · SATA · 7 mm | Used | eBay US +2 | View deal |
Optional BOSS-S1 internal M.2 module 2 × SSD M.2 2280 (SATA)
Optional 2 x M.2 BOSS-S1 card for boot drives and may not be fitted. The sources do not state the M.2 length or interface; 2280 and SATA are assumed from the BOSS-S1 design, not confirmed here. Check the BOSS-S1 documentation before buying drives.
| $/TB | Price | Capacity | Product | Condition | Store | Link |
|---|---|---|---|---|---|---|
| $219.99 | $219.99 | 1 TB | WD Blue SA510 1TB M.2 2280 SATA M.2 2280 SSD · SATA | New | eBay US +2 | View deal |