Product comparison · 2 internal solid state drives

Samsung PM1633a 960 GB 2.5" SAS vs Samsung SM963 1.92 TB M.2 PCI Express 3.0 NVMe MLC

7specifications compared
7differ
0identical
16known for one product only

Key differences

SSD capacity
- PM1633a 960 GB 2.5" SAS:960 GB
- SM963 1.92 TB M.2 PCI Express 3.0 NVMe MLC:1.92 TB
SSD form factor
- PM1633a 960 GB 2.5" SAS:2.5"
- SM963 1.92 TB M.2 PCI Express 3.0 NVMe MLC:M.2
Interface
- PM1633a 960 GB 2.5" SAS:SAS
- SM963 1.92 TB M.2 PCI Express 3.0 NVMe MLC:PCI Express 3.0
Read speed
- PM1633a 960 GB 2.5" SAS:1350 MB/s
- SM963 1.92 TB M.2 PCI Express 3.0 NVMe MLC:2100 MB/s
Write speed
- PM1633a 960 GB 2.5" SAS:920 MB/s
- SM963 1.92 TB M.2 PCI Express 3.0 NVMe MLC:1400 MB/s
Random read (4KB)
- PM1633a 960 GB 2.5" SAS:190000 IOPS
- SM963 1.92 TB M.2 PCI Express 3.0 NVMe MLC:430000 IOPS
Random write (4KB)
- PM1633a 960 GB 2.5" SAS:27000 IOPS
- SM963 1.92 TB M.2 PCI Express 3.0 NVMe MLC:40000 IOPS

Side by side

Differences highlightedShow differences only

Comparison of PM1633a, SM963
23 specifications	A Samsung PM1633a 960 GB 2.5" SAS Model PM1633a View product	B Samsung SM963 1.92 TB M.2 PCI Express 3.0 NVMe MLC Model SM963 View product
Features7 differ
SSD capacityDiffers	960 GB	1.92 TB
SSD form factorDiffers	2.5"	M.2
InterfaceDiffers	SAS	PCI Express 3.0
Data transfer rateKnown for one	12 Gbit/s	Unknown — not stated by the source
Read speedDiffers	1350 MB/s	2100 MB/s
Write speedDiffers	920 MB/s	1400 MB/s
Random read (4KB)Differs	190000 IOPS	430000 IOPS
Random write (4KB)Differs	27000 IOPS	40000 IOPS
Mean time between failures (MTBF)Known for one	2000000 h	Unknown — not stated by the source
NVMeKnown for one	Unknown — not stated by the source	Yes
Memory typeKnown for one	Unknown — not stated by the source	MLC
Component forKnown for one	Unknown — not stated by the source	PC/Laptop
Poweridentical
Power consumption (average)Known for one	11 W	Unknown — not stated by the source
Power consumption (idle)Known for one	4.5 W	Unknown — not stated by the source
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	15 mm	Unknown — not stated by the source
WeightKnown for one	140 g	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 70 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 85 °C	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating shockKnown for one	1500 G	Unknown — not stated by the source
Other featuresidentical
Product colourKnown for one	Black	Unknown — not stated by the source

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.

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