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WD BLACK SN850 NVMe SSD 1TB vs. Samsung 970 EVO Plus Series MZ-V7S2T0BW 2TB + 8

WD BLACK SN850 NVMe SSD 1TB

WD BLACK SN850 NVMe SSD 1TB

£139.97

Free delivery
Samsung T5 Portable SSD 1TB

Samsung T5 Portable SSD 1TB

£96.91

£108.22 Incl. delivery
Samsung 980 Pro Series MZ-V8P1T0BW 1TB

Samsung 980 Pro Series MZ-V8P1T0BW 1TB

£149.00

£149.97 Incl. delivery
Samsung 970 EVO Plus Series MZ-V7S1T0BW 1TB

Samsung 970 EVO Plus Series MZ-V7S1T0BW 1TB

£114.99

£120.36 Incl. delivery
Samsung T7 Portable SSD 1TB

Samsung T7 Portable SSD 1TB

£109.59

£109.98 Incl. delivery
WD BLACK SN850 NVMe SSD with Heatsink 2TB

WD BLACK SN850 NVMe SSD with Heatsink 2TB

£442.75

£450.17 Incl. delivery
WD BLACK SN850 NVMe SSD 2TB

WD BLACK SN850 NVMe SSD 2TB

£335.36

£339.98 Incl. delivery
External connection
No
No
Yes
No
No
Yes
No
No
No
No
Firewire
No
No
Thunderbolt
No
No
USB
Yes
Yes
Type of USB connector
USB (Type C)
USB (Type C)
USB version
3.2 (Gen 2)
3.2 (Gen 2)
Internal connection
Yes
Yes
No
Yes
Yes
No
Yes
Yes
Yes
Yes
Connection
M.2
M.2
M.2
M.2
M.2
M.2
M.2
M.2
Interface
PCIe Gen4 x4 NVMe
PCIe Gen3 x4 NVMe
PCIe Gen4 x4 NVMe
PCIe Gen3 x4 NVMe
PCIe Gen4 x4 NVMe
PCIe Gen4 x4 NVMe
PCIe Gen4 x4 NVMe
PCIe Gen3 x4 NVMe
Dimensions (WxHxD)
Depth
22 mm
80 mm
74 mm
80.15 mm
80 mm
85 mm
2.38 mm
80 mm
80 mm
80 mm
Height
2.28 mm
2.4 mm
10.5 mm
2.38 mm
2.4 mm
8 mm
22.15 mm
8.8 mm
2.38 mm
2.4 mm
Width
80 mm
22 mm
57.3 mm
22.15 mm
22 mm
57 mm
80.15 mm
23.4 mm
23.4 mm
22 mm
M.2 form factor
M.2 Type 2280
M.2 Type 2280
M.2 Type 2280
M.2 Type 2280
M.2 Type 2280
M.2 Type 2280
M.2 Type 2280
M.2 Type 2280
Product weight
7.5 g
8 g
51 g
9 g
8 g
58 g
9 g
7.5 g
8 g
Features
TRIM support
TRIM support, SED/FDE (disk encryption)
TRIM support, SED/FDE (disk encryption)
TRIM support, SED/FDE (disk encryption)
TRIM support, SED/FDE (disk encryption)
TRIM support
TRIM support, SED/FDE (disk encryption)
4KB random read
1000000 IOPS
620000 IOPS
1000000 IOPS
600000 IOPS
1000000 IOPS
1000000 IOPS
1000000 IOPS
550000 IOPS
4KB random write
720000 IOPS
560000 IOPS
1000000 IOPS
550000 IOPS
1000000 IOPS
710000 IOPS
480000 IOPS
Cache memory
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
Cache size
1024 MB
2048 MB
1024 MB
1024 MB
2048 MB
2048 MB
512 MB
Controller chip
Samsung S4LR020
Samsung S4LN062X01
Samsung S4LV003
Samsung S4LR020
Samsung S4LV003
Samsung S4LR020
Maximum read speed
7000 MB/s
3500 MB/s
540 MB/s
7000 MB/s
3500 MB/s
1050 MB/s
7000 MB/s
7000 MB/s
7000 MB/s
3500 MB/s
Maximum write speed
5300 MB/s
3300 MB/s
540 MB/s
5000 MB/s
3300 MB/s
1000 MB/s
5100 MB/s
5300 MB/s
5100 MB/s
3200 MB/s
Size
1000 GB
2000 GB
1000 GB
1000 GB
1000 GB
1000 GB
2000 GB
2000 GB
2000 GB
500 GB
Price/GB
0.14 £/GB
0.11 £/GB
0.1 £/GB
0.15 £/GB
0.12 £/GB
0.11 £/GB
0.17 £/GB
0.22 £/GB
0.17 £/GB
0.11 £/GB
TBW (Terabytes written)
600
1200
600
600
1200
1200
300
Type of flash memory
3D TLC
3D TLC
3D TLC
3D TLC
3D TLC
MLC
3D TLC
3D TLC
Manufacturer warranty
5 Years
5 Years
3 Years
5 Years
5 Years
3 Years
5 Years
5 Years
5 Years
5 Years
Operational Power Consumption (min-max)
0.8 - 6.8 W
5 - 6 W
6.2 W
6 - 9 W
6.1 - 7.2 W
5.8 - 9 W
Power consumption (standby)
0.5 W
0.03 W
0.04 W
0.03 W
0.04 W
0.03 W