Head to head
Western Digital WD Black SN7100 1 TB vs Western Digital WD Black SN7100 2 TB
Our pick
Western Digital WD Black SN7100 2 TB
M.2 NVMe SSDs
Product photographs. Not to scale.
What Western Digital WD Black SN7100 1 TB offers
Choose the WD Black SN7100 1TB for a file collection that fits 1TB in a supported M.2 2280 NVMe slot. Its five-year warranty and 600TB rated write allowance are concrete limits to check against your expected use.23
2 models / at a glance
Key differences
What differs
| Specification | Western Digital WD Black SN7100 1 TB | Western Digital WD Black SN7100 2 TB |
|---|---|---|
| Capacity | 1,000 GB3 | 2,000 GB1 |
| Endurance | 600 TB2 | 1,200 TB2 |
More details
| Specification | Western Digital WD Black SN7100 1 TB | Western Digital WD Black SN7100 2 TB |
|---|---|---|
| PCIe generation | Gen43 | Gen41 |
| Sequential read speed | 7,250 MB/s3 | 7,250 MB/s1 |
| Sequential write speed | 6,900 MB/s3 | 6,900 MB/s1 |
| Flash cell type | Tlc3 | Tlc1 |
| Random read | 1,000,000 IOPS3 | 1,000,000 IOPS1 |
| DRAM cache | No3 | No1 |
| Warranty | 5 years3 | 5 years1 |
| M.2 form factor | M.2 22803 | M.2 22801 |