Samsung 990 EVO 1TB
NVMe · 4 · 4

General
| Interface | NVMe |
|---|---|
| PCIe Generation | 4 |
| PCIe Lanes | 4 |
| Protocol | NVMe |
| Form Factor | M.2 2280 |
| Capacity | 1000 GB |
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Performance
| Sequential Read | 5000 MB/s |
|---|---|
| Sequential Write | 4200 MB/s |
| DRAM Cache | No |
| Cache Type | HMB |
| Cache Note | A hybrid drive that runs at PCIe 4.0 x4 or PCIe 5.0 x2 depending on the motherboard slot; DRAM presence not independently re-confirmed for this write - flagged for follow-up verification rather than guessed. |
Heatsink
| Heatsink | No |
|---|---|
| Heatsink Note | No factory heatsink. |