جديد
Lexar NM790
Capacity 512GB
Form Factor M.2 2280
Interface PCIe 4.0 x4
Read Speed 7,200 MB/s
NAND TLC
Endurance 500 TBW
59 التقييم العام
لا يوجد سعر حالي لدى المتاجر
لمحة سريعة
المزايا والعيوب
الإيجابيات
- Strong random (91st percentile) 91st
- Strong endurance (84th percentile) 84th
- Strong speed (78th percentile) 78th
السلبيات
- Below average capacity (34th percentile)
الأدلة
الأداء
المواصفات التقنية
المواصفات الكاملة
Drive
| Capacity | 512 |
| Form Factor | M.2 2280 |
| Interface | PCIe 4.0 x4 |
| Protocol | NVMe |
| PCIe Generation | 4 |
| External | No |
Performance
| Sequential Read (MB/s) | 7200 |
| Sequential Write (MB/s) | 4400 |
| Random Read (IOPS) | 800000 |
| Random Write (IOPS) | 800000 |
Hardware
| NAND | TLC |
| DRAM Cache | No |
Reliability
| Endurance (TBW) | 500 |
| MTBF (hours) | 1500000 |
مقارنة بالمنافسين
| Spec | Lexar NM790 | Samsung 9100 PRO | Western Digital WD_BLACK SN850X | Crucial T500 | Kingston Fury Renegade SFYRDK/2000G | Seagate FireCuda 530R |
|---|---|---|---|---|---|---|
| Capacity | 512GB | 8TB | 4TB | 2TB | 2TB | 4TB |
| Form Factor | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 |
| Interface | PCIe 4.0 x4 | PCIe 5.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Seq Read | 7,200 MB/s | 14,800 MB/s | 7,300 MB/s | 7,400 MB/s | 7,300 MB/s | 7,400 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | false | true | true | true | true | false |
| Endurance | 500 TBW | 4800 TBW | 2400 TBW | 1200 TBW | 2000 TBW | 5050 TBW |
| Compare | Compare | Compare | Compare | Compare |
| المنتج | Speed | Random | Feature | Capacity | Endurance |
|---|---|---|---|---|---|
| Lexar NM790 | 78 | 90.9 | 52.9 | 33.9 | 84.3 |
| Samsung 9100 PRO Compare | 99 | 99.8 | 99.7 | 98.1 | 85.8 |
| Western Digital WD_BLACK SN850X Compare | 88.2 | 95 | 93.8 | 92.6 | 80.9 |
| Crucial T500 Compare | 93.8 | 96.4 | 99 | 78.2 | 82.9 |
| Kingston Fury Renegade SFYRDK/2000G Compare | 92.9 | 93.7 | 93.8 | 78.2 | 93.8 |
| Seagate FireCuda 530R Compare | 92.5 | 96.3 | 52.9 | 92.6 | 95.4 |
تقييمات حسب الاستخدام
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