WD Ultrastar DC SA210
- Capacity: 120GB - 1.92TB
- Form Factor: 2.5-Inch
- Interface: SATA
- Connector: SATA
- Endurance (DWPD): 0.7
- Dimensions (L x W x H): 3.94" x 2.75" x 0.28"
- Sequential Read Performance: 510(max MB/s, Seq 128KiB)
- Sequential Write Performance: 475(max MB/s, Seq 128KiB)
- Random Read: 64KIOPS (max, Rnd 4KiB)
- Random Write: 50KIOPS (max, Rnd 4KiB)
WD Ultrastar DC SN640
- Capacity: 800GB - 7.68TB
- Interface: PCIe Gen 3.1 1x4 (Compliant to NVMe 1.3c)
- Compatibility: Windows, Windows Server, Linux
- Dimensions (L x W x H): 3.95" x 2.75" x 0.28"
- Sequential Read Performance: 3250(max MB/s, Seq 128KiB)
- Sequential Write Performance: 1970(max MB/s, Seq 128KiB)
- Random Read: 469KIOPS (max, Rnd 4KiB)
- Random Write: 65KIOPS (max, Rnd 4KiB)
- Read Latency (µs, avg): 95
- Endurance (DWPD): 0.8
WD Ultrastar DC SN840
*FIPS & TAA Compliant Model Available
- Capacity: 1.6TB -15.36TB
- Interface: PCIe 3.1 1x4 or 2x2 (Compliant to NVMe 1.3c)
- Compatibility: Compatible with Windows, Windows Server, and Linux
- Dimensions (L x W x H): 3.95" x 2.75" x 0.59"
- Operating Temperature: 0℃ to 70℃
- Non-Operating Temperature: -40℃ to 85℃
- Sequential Read Performance: 3470(max MB/s, Seq 64KiB)
- Sequential Write Performance: 2300(max MB/s, Seq 64KiB)
- Random Read: 736KIOPS (max, Rnd 4KiB)
- Random Write: 224KIOPS (max, Rnd 4KiB)
- Endurance (DWPD): 3
- Read Latency (µs, avg): 74
- Operating Power (W, max average): 18W