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Samsung PM991a 1TB PCIe 3.0 x4 NVMe M.2 2230
The 1TB M.2 2230 form factor fits tight spaces like the Steam Deck and Surface Pro, with PCIe 3.0 x4 speeds up to 3100 MB/s read and 1400 MB/s write. TLC NAND and a 4.6/5 rating from 101 reviews point to reliable daily performance, though portable use scores low. Best for budget-conscious laptop or handheld owners needing a compact, dependable upgrade without paying for PCIe 4.0.
Capacity 1TB
Form Factor M.2 2230
Interface PCIe 3.0 x4
Read Speed 3,100 MB/s
NAND TLC
59 総合スコア
現在、販売店の最新価格はありません
概要
メリットとデメリット
長所
- Strong random (84th percentile) 84th
- Strong social proof (77th percentile) 77th
短所
- Below average endurance (15th percentile)
実証データ
パフォーマンス
スペック
全スペック一覧
Drive
| Capacity | 1000 |
| Form Factor | M.2 2230 |
| Interface | PCIe 3.0 x4 |
| Protocol | NVMe |
| PCIe Generation | 3 |
| External | No |
Performance
| Sequential Read (MB/s) | 3100 |
| Sequential Write (MB/s) | 1400 |
| Random Read (IOPS) | 380000 |
| Random Write (IOPS) | 330000 |
Hardware
| NAND | TLC |
競合製品との比較
| Spec | Samsung PM991a | Western Digital Black SN850X | Kingston FURY Renegade G5 SFYR2S/4T0 | Crucial T500 | SanDisk WD_BLACK SN8100 | Seagate FireCuda 530R |
|---|---|---|---|---|---|---|
| Capacity | 1TB | 4TB | 4TB | 2TB | 8TB | 4TB |
| Form Factor | M.2 2230 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 |
| Interface | PCIe 3.0 x4 | PCIe 4.0 x4 | PCIe 5.0 x4 | PCIe 4.0 x4 | PCIe 5.0 x4 | PCIe 4.0 x4 |
| Seq Read | 3,100 MB/s | 7,300 MB/s | 14,800 MB/s | 7,400 MB/s | 14,900 MB/s | 7,400 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | - | true | true | true | true | false |
| Endurance | - | 2400 TBW | 4000 TBW | 1200 TBW | 4800 TBW | 5050 TBW |
| Compare | Compare | Compare | Compare | Compare |
| 製品 | Speed | Random | Feature | Capacity | Endurance | ユーザー評価 | Affordability |
|---|---|---|---|---|---|---|---|
| Samsung PM991a | 55.5 | 83.7 | 53.6 | 54.9 | 14.7 | 77.4 | 36.1 |
| Western Digital Black SN850X Compare | 88.5 | 95.2 | 89 | 92.6 | 88 | 95.2 | 11.4 |
| Kingston FURY Renegade G5 SFYR2S/4T0 Compare | 99.4 | 98.7 | 90.5 | 92.6 | 93.4 | 86.8 | 6.5 |
| Crucial T500 Compare | 93.8 | 96.5 | 98.9 | 78.4 | 82.8 | 95.2 | 20.1 |
| SanDisk WD_BLACK SN8100 Compare | 98.9 | 99.1 | 97.3 | 98.2 | 80.7 | 45.2 | 3.4 |
| Seagate FireCuda 530R Compare | 92.5 | 96.4 | 53.6 | 92.6 | 95.6 | 77.4 | 7 |
用途別スコア
詳細なレビューは近日公開予定です。上記のスペック、スコア、価格、チャートは常に最新です。
