SanDisk
SanDisk WDS400T2X0E 4TB internal SSD
4TB M.2 2280 NVMe SSD with 4GB DRAM cache delivers up to 7300 MB/s sequential read and 6600 MB/s write for gaming and heavy workloads
- Device TypeInternal Solid State Drive (SSD)
- Used ForConsumer
- Form FactorM.2 2280
- Capacity4TB
- Memory Components3D NAND TLC
- InterfacePCI-Express 4.0 x4
- 7,300 MBps sequential read accelerates game loading
- 6,600 MBps sequential write speeds large file saves
- 1,200,000 IOPS random read keeps gameplay responsive
- 4GB DRAM cache sustains heavy workloads
- 2,400 TBW endurance protects long-term data
WD_BLACK SN850X 4TB gaming SSD
The WD_BLACK SN850X 4TB drive uses a PCIe 4.0 x4 interface and NVMe protocol to deliver sequential reads up to 7300 MBps and writes up to 6600 MBps. Its 3D NAND TLC memory and 4GB DRAM cache target enthusiasts who want fast game loads and responsive system performance.
Sustained workload behaviour
Random read performance reaches 1200000 IOPS and random write reaches 1100000 IOPS, supporting heavy multitasking and large texture streaming without rapid throttling. The drive is rated for 2400 TBW and an MTTF of 1.75M hours, indicating endurance for long-term write-intensive use. Adaptive Thermal Management helps regulate temperature during extended sessions.
PCIe 4.0 x4 interface limits
The PCIe 4.0 x4 link caps theoretical throughput near 8GBps, so the 7300 MBps read ceiling sits close to the bus maximum. Systems limited to PCIe 3.0 will restrict sequential speeds to roughly half that figure. The M.2 2280 form factor fits standard motherboard slots, but the drive ships without a heatsink, so thermal headroom depends on platform airflow.
Besonderheiten
- 7,300 MBps sequential read accelerates game loading
- 6,600 MBps sequential write speeds large file saves
- 1,200,000 IOPS random read keeps gameplay responsive
- 4GB DRAM cache sustains heavy workloads
- 2,400 TBW endurance protects long-term data
Technische Daten
| Brand | Western Digital |
|---|---|
| Series | BLACK SN850X NVMe |
| Model | WDS400T2X0E |
| Device Type | Internal Solid State Drive (SSD) |
| Used For | Consumer |
| Form Factor | M.2 2280 |
| Capacity | 4TB |
| Memory Components | 3D NAND TLC |
| Interface | PCI-Express 4.0 x4 |
| Protocol | NVMe |
| Cache | 4GB DRAM |
| Max Sequential Read | Up to 7300 MBps |
| Max Sequential Write | Up to 6600 MBps |
| 4KB Random Read | Up to 1,200,000 IOPS |
| 4KB Random Write | Up to 1,100,000 IOPS |
| Terabytes Written (TBW) | 2400TB |
| MTTF | 1.75M Hours |
| HeatSink | without HeatSink |
| Features | Get the Ultimate Gaming Edge Insane speeds up to 7,300 MB/s deliver top-tier performance with ridiculously short load times for the elite gaming experience you've been waiting for. Soup Up Your Rig Extremely low latency loads graphics fast with minimal stutter and lagging for an incredibly smooth, satisfying gaming experience. More Room for More Games Today's A-list titles can take up 200GB or more of storage. A range of capacities from 1TB to 4TB means you get to keep more games at the ready and get into the action fast. Heatsink for the Win The WD_BLACK SN850X NVMe SSD 1TB and 2TB |
| Operating Temperature | 0°C ~ +85°C |
| Storage Temperature | -40°C ~ +85°C |
| Max Shock Resistance | 1,500G @0.5 ms half sine |
| Max Vibration Resistance | Operating Vibration: 5 gRMS, 10-2000 Hz, 3 axes Non-operating Vibration: 4.9 gRMS, 7-800 Hz, 3 axes |
| Height | 2.38mm |
| Width | 22.00mm |
| Depth | 80.00mm |
| Weight | 7.50g |
| Versandgewicht | 0.05 kg |
| Paketgröße | 130 × 102 × 95 mm |
Fragen zu diesem Artikel
Does this M.2 2280 drive need a motherboard slot that supports PCIe 4.0 x4 to reach the 7300 MBps read speed?
Yes, a PCIe 4.0 x4 M.2 slot is required for the full 7300 MBps sequential read and 6600 MBps write; on a PCIe 3.0 slot speeds will be lower.
The drive ships without a heatsink — will I need to add one for sustained gaming loads?
The drive includes Adaptive Thermal Management and operates up to 85 °C; a motherboard M.2 heatsink or the optional WD_BLACK heatsink model helps maintain peak throughput during long sessions.
Is the 4GB DRAM cache and 2400 TBW rating sufficient for a primary game and OS drive?
The 4GB DRAM cache accelerates random performance to 1200000 read IOPS and 1100000 write IOPS, while 2400 TBW and 1.75M hour MTTF give ample endurance for heavy daily use.
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