Product comparison · 2 internal solid state drives

Samsung PM1725 3.2 TB Half-Height/Half-Length (HH/HL) PCI Express 3.0 vs Samsung PM1725a 1.6 TB 2.5" PCI Express 3.0 NVMe

5specifications compared
3differ
2identical
19known for one product only

Key differences

SSD capacity
- PM1725 3.2 TB Half-Height/Half-Length (HH/HL) PCI Express 3.0:3.2 TB
- PM1725a 1.6 TB 2.5" PCI Express 3.0 NVMe:1.6 TB
PCI Express interface data lanes
- PM1725 3.2 TB Half-Height/Half-Length (HH/HL) PCI Express 3.0:x8
- PM1725a 1.6 TB 2.5" PCI Express 3.0 NVMe:x4

Side by side

Differences highlightedShow differences only

Comparison of PM1725, PM1725a
24 specifications	A Samsung PM1725 3.2 TB Half-Height/Half-Length (HH/HL) PCI Express 3.0 Model PM1725 View product	B Samsung PM1725a 1.6 TB 2.5" PCI Express 3.0 NVMe Model PM1725a View product
Features3 differ
SSD capacityDiffers	3.2 TB	1.6 TB
SSD form factorDiffers	Half-Height/Half-Length (HH/HL)	2.5"
Interface	PCI Express 3.0	PCI Express 3.0
PCI Express interface data lanesDiffers	x8	x4
PCI Express CEM revisionKnown for one	2.0	Unknown — not stated by the source
Uncorrectable Bit Error Rate (UBER)Known for one	< 1 per 10^17 bits read	Unknown — not stated by the source
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
Component forKnown for one	Unknown — not stated by the source	Server/workstation
Read speedKnown for one	Unknown — not stated by the source	3300 MB/s
Write speedKnown for one	Unknown — not stated by the source	2000 MB/s
Random read (4KB)Known for one	Unknown — not stated by the source	800000 IOPS
Random write (4KB)Known for one	Unknown — not stated by the source	140000 IOPS
Weight & dimensionsidentical
WidthKnown for one	69 mm	Unknown — not stated by the source
DepthKnown for one	100 mm	Unknown — not stated by the source
HeightKnown for one	14 mm	Unknown — not stated by the source
WeightKnown for one	210 g	Unknown — not stated by the source
Other featuresidentical
Product colour	Black	Black
NAND controllerKnown for one	V-NAND	Unknown — not stated by the source
SSD endurance ratingKnown for one	5 DWPD	Unknown — not stated by the source
Sequential read/writeKnown for one	Yes	Unknown — not stated by the source
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.

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