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SAMSUNG
SAMSUNG SDSM950M2-256GP 950 PRO 256GB internal SSD
Refurbished M.2 2280 NVMe SSD with 256GB capacity, PCI-Express 3.0 x4 interface, up to 2200 MBps sequential read and 900 MBps sequential write speeds
- Device TypeInternal Solid State Drive (SSD)
- Used ForConsumer
- Form FactorM.2 2280
- Capacity256GB
- InterfacePCI-Express 3.0 x4
- ControllerSamsung UBX controller
- Sequential read up to 2200 MBps accelerates large-file workflows
- Sequential write up to 900 MBps speeds content creation saves
- Random read up to 270000 IOPS at QD32 sharpens database responsiveness
- 512MB DRAM cache sustains heavy multitasking throughput
- MTBF 1500000 hours signals long-term drive reliability
Samsung 950 PRO 256GB NVMe SSD
This internal solid state drive uses a PCI-Express 3.0 x4 interface and the Samsung UBX controller with 512MB DRAM cache. It delivers sequential reads up to 2200 MBps and writes up to 900 MBps in the M.2 2280 form factor. The refurbished unit targets professionals who need high throughput for demanding workloads.
Performance impact of the controller and cache
The UBX controller combined with 512MB DRAM enables random read performance up to 270000 IOPS at queue depth 32 and random write up to 85000 IOPS at the same depth. At queue depth 1 the figures are 11000 IOPS read and 43000 IOPS write. Average active power draw is 5.1W with a 6.4W burst maximum, and the drive operates from 0°C to 70°C.
Suitability for professional workloads
The 256GB capacity and 1500000 hour MTBF suit heavy workload professionals who prioritise endurance and low latency over maximum storage space. Users needing larger volumes or SATA connectivity should consider alternative drives. The 2.38mm height fits standard M.2 slots without clearance issues.
Highlights
- Sequential read up to 2200 MBps accelerates large-file workflows
- Sequential write up to 900 MBps speeds content creation saves
- Random read up to 270000 IOPS at QD32 sharpens database responsiveness
- 512MB DRAM cache sustains heavy multitasking throughput
- MTBF 1500000 hours signals long-term drive reliability
Specifications
| Brand | SAMSUNG |
|---|---|
| Series | 950 PRO |
| Model | MZ-V5P256BW |
| Device Type | Internal Solid State Drive (SSD) |
| Used For | Consumer |
| Form Factor | M.2 2280 |
| Capacity | 256GB |
| Interface | PCI-Express 3.0 x4 |
| Controller | Samsung UBX controller |
| Cache | 512MB DRAM |
| Max Sequential Read | Up to 2200 MBps |
| Max Sequential Write | Up to 900 MBps |
| 4KB Random Read | Up to 270,000 IOPS (4KB, QD32) Up to 11,000 IOPS (4KB, QD1) |
| 4KB Random Write | Up to 85,000 IOPS (4KB, QD32) Up to 43,000 IOPS (4KB, QD1) |
| MTBF | 1,500,000 hours |
| Features | Level up to unmatched performance, power efficiency and endurance If you're a heavy workload professional searching for an SSD with uncompromising power and performance, look no further. The next-generation Samsung 950 PRO delivers exceptional performance for professionals. This cutting-edge V-NAND-based NVMe SSD supports PCI Express Gen 3 x4 lanes, providing a higher bandwidth and lower latency to process a massive amount more data than SATA SSDs. Presented in a compact M.2 form factor, the future-oriented 950 PRO is ideal for professionals using high-end PCs and workstations. Exper |
| Power Consumption (Active) | Average: 5.1W Maximum: 6.4W (Burst mode) |
| Operating Temperature | 0°C ~ +70°C |
| Max Shock Resistance | 1500G, duration 0.5m sec, 3 axis |
| Height | 2.38mm |
| Width | 22.15mm |
| Depth | 80.15mm |
| Weight | 10.00g |
| Shipping weight | 0.06 kg |
| Package size | 191 × 165 × 102 mm |
Questions about this item
How long is the 256GB 950 PRO rated to last before replacement?
The drive carries a 1,500,000 hour MTBF rating, indicating the average operating time between failures under normal workloads.
What limits sustained write speed on the PCI-Express 3.0 x4 interface?
Sequential write peaks at 900 MBps; once the 512MB DRAM cache fills, the controller throttles to the NAND's native write rate.
How much power and heat does the M.2 2280 SSD generate during all-day operation?
Active draw averages 5.1W with a 6.4W burst maximum, and the drive is rated to operate continuously up to 70°C.
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