Новинка
Samsung PM991 512GB PCIe 4.0 x4 NVMe M.2 2242
The 512GB PM991 pairs PCIe Gen 4 x4 NVMe with TLC NAND, delivering sequential reads up to 3100 MB/s and random reads up to 380K IOPS in a compact M.2 2242 form factor. Its 22 mm x 42 mm size fits 2242 slots directly and can adapt to 2260 or 2280 with a separate adapter, making it flexible for laptops and desktops. This drive suits budget-conscious builders upgrading older systems or compact ultrabooks that need a faster boot and application drive without extra bulk.
Capacity 512GB
Form Factor M.2 2242
Interface PCIe 4.0 x4
NAND TLC
49 Загальна оцінка
Немає актуальної ціни від продавців
Огляд
Переваги та недоліки
Переваги
- Strong speed (68th percentile) 68th
Недоліки
- Below average endurance (15th percentile)
- Below average capacity (35th percentile)
Факти
Продуктивність
Характеристики
Повні характеристики
Drive
| Capacity | 512 |
| Form Factor | M.2 2242 |
| Interface | PCIe 4.0 x4 |
| Protocol | NVMe |
| PCIe Generation | 4 |
| External | No |
Hardware
| NAND | TLC |
Порівняння з конкурентами
| Spec | Samsung PM991 | Western Digital Black SN850X | Kingston FURY Renegade G5 SFYR2S/4T0 | Micron T710 CT4000T710SSD5 | Crucial T500 | SanDisk WD_BLACK WDS800T2XHE |
|---|---|---|---|---|---|---|
| Capacity | 512GB | 4TB | 4TB | 4TB | 2TB | 8TB |
| Form Factor | M.2 2242 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 |
| Interface | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 5.0 | PCIe 5.0 | PCIe 4.0 x4 | PCIe 4.0 |
| Seq Read | - | 7,300 MB/s | 14,800 MB/s | 14,500 MB/s | 7,400 MB/s | 7,200 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | - | true | true | false | true | true |
| Endurance | - | 2400 TBW | 4000 TBW | 2400 TBW | 1200 TBW | 4800 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Товар | Speed | Random | Feature | Capacity | Endurance | Affordability |
|---|---|---|---|---|---|---|
| Samsung PM991 | 67.9 | 61.7 | 53.8 | 34.6 | 14.7 | 62.6 |
| Western Digital Black SN850X Compare | 89 | 95.6 | 89.5 | 92.6 | 88.3 | 10.5 |
| Kingston FURY Renegade G5 SFYR2S/4T0 Compare | 99.4 | 98.9 | 90.9 | 92.6 | 93.6 | 6.3 |
| Micron T710 CT4000T710SSD5 Compare | 99 | 99.1 | 89.5 | 92.6 | 86.1 | 11.7 |
| Crucial T500 Compare | 93.9 | 96.9 | 99 | 78.5 | 83.1 | 19.7 |
| SanDisk WD_BLACK WDS800T2XHE Compare | 87.7 | 96.3 | 94 | 98.1 | 88.3 | 3.8 |
Оцінки за сценаріями використання
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