Product comparison · 2 internal solid state drives

2-Power 128GB SSD 2.5 SATA 6Gbps vs Samsung PM951 128 GB M.2 PCI Express 3.0

Key differences

SSD form factor
- 128GB SSD 2.5 SATA 6Gbps:2.5"
- PM951 128 GB M.2 PCI Express 3.0:M.2
Interface
- 128GB SSD 2.5 SATA 6Gbps:Serial ATA III
- PM951 128 GB M.2 PCI Express 3.0:PCI Express 3.0
Product colour
- 128GB SSD 2.5 SATA 6Gbps:Black
- PM951 128 GB M.2 PCI Express 3.0:Green

Differences highlightedShow differences only

Comparison of SSD2041B, PM951
20 specifications	A 2-Power 128GB SSD 2.5 SATA 6Gbps Model SSD2041B View product	B Samsung PM951 128 GB M.2 PCI Express 3.0 Model PM951 View product
Features2 differ
SSD capacity	128 GB	128 GB
SSD form factorDiffers	2.5"	M.2
InterfaceDiffers	Serial ATA III	PCI Express 3.0
Component forKnown for one	PC/Laptop	Unknown — not stated by the source
Data transfer rateKnown for one	6 Gbit/s	Unknown — not stated by the source
Read speedKnown for one	Unknown — not stated by the source	600 MB/s
Write speedKnown for one	Unknown — not stated by the source	150 MB/s
PCI Express interface data lanesKnown for one	Unknown — not stated by the source	x4
Weight & dimensionsidentical
WidthKnown for one	70 mm	Unknown — not stated by the source
DepthKnown for one	100 mm	Unknown — not stated by the source
HeightKnown for one	7 mm	Unknown — not stated by the source
WeightKnown for one	54 g	Unknown — not stated by the source
Packaging dataidentical
Package widthKnown for one	110 mm	Unknown — not stated by the source
Package depthKnown for one	135 mm	Unknown — not stated by the source
Package heightKnown for one	15 mm	Unknown — not stated by the source
Other features1 differ
Product colourDiffers	Black	Green
Internal	Yes	Yes
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 70 °C
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Operating shockKnown for one	Unknown — not stated by the source	1500 G

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.