Description
Buy Lexar NQ790 2TB NVMe SSD in Pakistan | TechMatched
Lexar NQ790 2TB PCIe Gen4 M.2 2280 NVMe SSD — Ultra-Fast Storage with 7000MB/s Read Speeds

Key Features
- High-speed PCIe Gen4x4 interface; compliant with NVMe 1.4.
- Sequential read speeds up to 7,000MB/s, and write speeds up to 6,000MB/s (2TB model).
- Random performance: up to 800,000 IOPS read, 600,000 IOPS write.
- Compact M.2 2280 form factor — ideal for modern desktops and laptops.
- Built with 3D NAND memory (TLC or QLC, depending on batch — see notes).
- Durable solid-state design — no moving parts, resistant to shock and vibration.
- Shock resistance: 1500G (0.5 ms); Vibration resistance: 10–2000 Hz, 1.5 mm, 20G.
Lexar NQ790 2TB NVMe SSD
Performance
- Sequential read speeds up to 7,000 MB/s
- Sequential write speeds up to 6,000 MB/s
- Random read IOPS up to 800,000
- Random write IOPS up to 600,000
- Lower capacity models have lower write speeds (e.g., 500GB at ~2,900 MB/s)
Interface & Protocol
- PCIe Gen4 ×4 interface (PCIe 4.0 with four lanes)
- NVMe 1.4 protocol for optimized SSD communication
- Backward compatible with PCIe Gen3 (at reduced speeds)
Form Factor & Build
- M.2 2280 form factor (22 mm × 80 mm)
- Slim design (approx 2.45 mm thick)
- Lightweight (~6 grams)
- Solid-state drive with no moving parts, shock and vibration resistant
Endurance & Reliability
- Total Bytes Written (TBW): up to 1,200 TB for 2TB model
- Mean Time Between Failures (MTBF): ~1.5 million hours
- Shock resistance: 1,500G for 0.5 ms
- Vibration resistance: 10–2000 Hz, 1.5 mm amplitude, 20G
- Operating temperature: 0°C to 70°C
- Storage temperature: –40°C to 85°C
NAND & Controller
- Uses 3D TLC NAND (128-layer, by YMTC for some versions)
- Controller: MaxioTech MAP1602A (DRAM-less, uses Host Memory Buffer)
- Pseudo-SLC caching for burst write performance
- May experience slower sustained writes once cache is full
Compatibility
- Compatible with motherboards supporting PCIe Gen4 ×4 M.2 slots
- Also works with PCIe Gen3 slots (lower max speeds)
- Compatible with many laptops and desktops
- Suitable for PS5 with proper heatsink
Specifications
| Specification | Details |
|---|---|
| Capacities | 500GB / 1TB / 2TB |
| Form Factor | M.2 2280 (80 × 22 × 2.45 mm) |
| Interface | PCIe Gen4 ×4 |
| Performance (500GB) | Sequential Read: up to 6,400 MB/s Sequential Write: up to 2,900 MB/s Random Read: up to 800,000 IOPS Random Write: up to 600,000 IOPS |
| Performance (1TB / 2TB) | Sequential Read: up to 7,000 MB/s Sequential Write: up to 6,000 MB/s Random Read: up to 800,000 IOPS Random Write: up to 600,000 IOPS |
| Operating Temperature | 0°C to 70°C (32°F to 158°F) |
| Storage Temperature | -40°C to 85°C (-40°F to 185°F) |
| Dimensions (L × W × H) | 80 × 22 × 2.45 mm (3.15” × 0.87” × 0.10”) |
| Weight | 6 g (0.013 lbs) |
| Warranty | Five-year limited warranty |
| Shock Resistance | 1500G, duration 0.5 ms, Half Sine Wave |
| Vibration Resistance | 10–2000 Hz, 1.5 mm amplitude, 20G, 1 Oct/min, 30 min/axis (X, Y, Z) |
| Total Bytes Written (TBW) | 500GB: 300 TBW 1TB: 600 TBW 2TB: 1200 TBW |
| MTBF (Mean Time Between Failures) | 1,500,000 hours |
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