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Samsung PM991 256GB PCIe 3.0 x4 NVMe M.2 2242
The 256GB PM991 uses a compact M.2 2242 form factor with PCIe 3.0 x4 NVMe, fitting tight spaces in slim laptops while delivering solid sequential speeds. Its budget score of 76.6/100 makes it a cost-effective upgrade for older systems, though portable performance is weak at 9.5/100. Best for users needing a small-capacity, low-cost boot drive in a laptop or mini PC with a 2242 slot.
Capacity 256GB
Form Factor M.2 2242
Interface PCIe 3.0 x4
38 Pontuação Geral
Preço JP¥ 15.748
Resumo
Prós e contras
Prós
- Strong affordability (86th percentile) 86th
- Strong social proof (77th percentile) 77th
Contras
- Below average feature (15th percentile)
- Below average endurance (15th percentile)
- Below average capacity (18th percentile)
As provas
Desempenho
Especificações
Especificações completas
Drive
| Capacity | 256 |
| Form Factor | M.2 2242 |
| Interface | PCIe 3.0 x4 |
| Protocol | NVMe |
| PCIe Generation | 3 |
| External | No |
Face à concorrência
| Spec | Samsung PM991 | Western Digital WD_BLACK WDS800T2XHE | Kingston FURY Renegade SFYRDK/4000G | SanDisk Black SN850X WDBB9G0040BNC-WRSN | Lexar NM1090 PRO LNM109P004T-RNNNU | Team Group MP44 TM8FPW004T0C101 |
|---|---|---|---|---|---|---|
| Capacity | 256GB | 8TB | 4TB | 4TB | 4TB | 4TB |
| Form Factor | M.2 2242 | M.2 2280 | M.2 2280 | M.2 | M.2 2280 | M.2 2280 |
| Interface | PCIe 3.0 x4 | PCIe 4.0 | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 5.0 | PCIe 4.0 x4 |
| Seq Read | - | 7,300 MB/s | 7,300 MB/s | 7,300 MB/s | 14,000 MB/s | 7,400 MB/s |
| Nand Type | - | TLC | TLC | TLC | SLC | SLC |
| Dram Cache | - | true | true | true | true | false |
| Endurance | - | 4800 TBW | 4000 TBW | 2400 TBW | 2800 TBW | 2000 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Produto | Speed | Random | Feature | Capacity | Endurance | Prova social | Affordability |
|---|---|---|---|---|---|---|---|
| Samsung PM991 | 52.4 | 61.9 | 14.7 | 17.8 | 14.8 | 77.4 | 85.5 |
| Western Digital WD_BLACK WDS800T2XHE Compare | 89 | 96.4 | 94 | 98.1 | 88.1 | 95.4 | 4 |
| Kingston FURY Renegade SFYRDK/4000G Compare | 93.3 | 94.4 | 94 | 92.6 | 94.1 | 95.4 | 9.6 |
| SanDisk Black SN850X WDBB9G0040BNC-WRSN Compare | 89 | 95.7 | 89.5 | 92.6 | 88.1 | 95.4 | 9.4 |
| Lexar NM1090 PRO LNM109P004T-RNNNU Compare | 98.2 | 98.5 | 97.5 | 92.6 | 75.2 | 56.8 | 9.1 |
| Team Group MP44 TM8FPW004T0C101 Compare | 93.6 | 88.8 | 78.8 | 92.6 | 77.2 | 87.2 | 16.5 |
Preço
Custo-benefício
A partir de JP¥ 15.748
Amazon 1 oferta A partir de JP¥ 15.748
Acompanhamos os preços deste produto desde 13 de nov. de 2026. O gráfico aparecerá quando tivermos mais dados.
Pontuações por utilização
- Geral37.9
- Budget78.9
- Jogos30.9
- Laptop41.3
- Console15
- Portable9.1
- Workstation31.8
Uma análise completa chega em breve. As especificações, pontuações, preços e gráficos acima estão sempre atualizados.
