Product comparison · 2 internal solid state drives

Samsung 970 EVO Plus vs Samsung PM981a 512 GB M.2 PCI Express 3.0 NVMe TLC

6specifications compared
2differ
4identical
28known for one product only

Key differences

SSD capacity
- 970 EVO Plus:500 GB
- PM981a 512 GB M.2 PCI Express 3.0 NVMe TLC:512 GB
Memory type
- 970 EVO Plus:V-NAND MLC
- PM981a 512 GB M.2 PCI Express 3.0 NVMe TLC:TLC

Side by side

Differences highlightedShow differences only

Comparison of 970 EVO Plus, PM981a
34 specifications	A Samsung 970 EVO Plus View product	B Samsung PM981a 512 GB M.2 PCI Express 3.0 NVMe TLC Model PM981a View product
Features2 differ
SSD capacityDiffers	500 GB	512 GB
SSD form factor	M.2	M.2
Interface	PCI Express 3.0	PCI Express 3.0
NVMe	Yes	Yes
NVMe versionKnown for one	1.3	Unknown — not stated by the source
Memory typeDiffers	V-NAND MLC	TLC
Component for	PC	PC
Hardware encryptionKnown for one	Yes	Unknown — not stated by the source
Security algorithmsKnown for one	256-bit AES	Unknown — not stated by the source
M.2 SSD sizeKnown for one	2280 (22 x 80 mm)	Unknown — not stated by the source
Read speedKnown for one	3500 MB/s	Unknown — not stated by the source
Write speedKnown for one	3200 MB/s	Unknown — not stated by the source
Random read (4KB)Known for one	480000 IOPS	Unknown — not stated by the source
Random write (4KB)Known for one	550000 IOPS	Unknown — not stated by the source
Controller typeKnown for one	Samsung Phoenix	Unknown — not stated by the source
PCI Express interface data lanesKnown for one	x4	Unknown — not stated by the source
DevSlp (device sleep) supportKnown for one	Yes	Unknown — not stated by the source
S.M.A.R.T. supportKnown for one	Yes	Unknown — not stated by the source
TRIM supportKnown for one	Yes	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	1500000 h	Unknown — not stated by the source
Poweridentical
Operating voltageKnown for one	3.3 V	Unknown — not stated by the source
Power consumption (max)Known for one	9 W	Unknown — not stated by the source
Power consumption (average)Known for one	5.8 W	Unknown — not stated by the source
Power consumption (idle)Known for one	0.03 W	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	80.2 mm	Unknown — not stated by the source
DepthKnown for one	2.38 mm	Unknown — not stated by the source
HeightKnown for one	22.1 mm	Unknown — not stated by the source
WeightKnown for one	8 g	Unknown — not stated by the source
Packaging dataidentical
Bundled softwareKnown for one	Magician Software for SSD management	Unknown — not stated by the source
Package typeKnown for one	Box	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 70 °C	Unknown — not stated by the source
Operating shockKnown for one	1500 G	Unknown — not stated by the source
Other featuresidentical
Launch dateKnown for one	1/22/2019	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84717070	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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