Product comparison · 2 internal solid state drives

Samsung PM1725b 6.4 TB 2.5" PCI Express 3.0 NVMe V-NAND vs Seagate Nytro 1551

12specifications compared
8differ
4identical
19known for one product only

Key differences

SSD capacity
- PM1725b 6.4 TB 2.5" PCI Express 3.0 NVMe V-NAND:6.4 TB
- Nytro 1551:1.92 TB
Interface
- PM1725b 6.4 TB 2.5" PCI Express 3.0 NVMe V-NAND:PCI Express 3.0
- Nytro 1551:Serial ATA III
NVMe
- PM1725b 6.4 TB 2.5" PCI Express 3.0 NVMe V-NAND:Yes
- Nytro 1551:No
Memory type
- PM1725b 6.4 TB 2.5" PCI Express 3.0 NVMe V-NAND:V-NAND
- Nytro 1551:3D TLC
Component for
- PM1725b 6.4 TB 2.5" PCI Express 3.0 NVMe V-NAND:Server/workstation
- Nytro 1551:NAS
Read speed
- PM1725b 6.4 TB 2.5" PCI Express 3.0 NVMe V-NAND:3500 MB/s
- Nytro 1551:560 MB/s
Write speed
- PM1725b 6.4 TB 2.5" PCI Express 3.0 NVMe V-NAND:2800 MB/s
- Nytro 1551:535 MB/s
Weight
- PM1725b 6.4 TB 2.5" PCI Express 3.0 NVMe V-NAND:9 g
- Nytro 1551:77 g

Side by side

Differences highlightedShow differences only

Comparison of PM1725b, Nytro 1551
31 specifications	A Samsung PM1725b 6.4 TB 2.5" PCI Express 3.0 NVMe V-NAND Model PM1725b View product	B Seagate Nytro 1551 View product
Features7 differ
SSD capacityDiffers	6.4 TB	1.92 TB
SSD form factor	2.5"	2.5"
InterfaceDiffers	PCI Express 3.0	Serial ATA III
NVMeDiffers	Yes	No
Memory typeDiffers	V-NAND	3D TLC
Component forDiffers	Server/workstation	NAS
Data transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
Read speedDiffers	3500 MB/s	560 MB/s
Write speedDiffers	2800 MB/s	535 MB/s
Random read (4KB)Known for one	Unknown — not stated by the source	90000 IOPS
Random write (4KB)Known for one	Unknown — not stated by the source	50000 IOPS
Read latencyKnown for one	Unknown — not stated by the source	160 µs
Write latencyKnown for one	Unknown — not stated by the source	35 µs
Self-Encrypting Drive (SED)Known for one	Unknown — not stated by the source	Yes
End-to-End Data ProtectionKnown for one	Unknown — not stated by the source	Yes
Mean time between failures (MTBF)	2000000 h	2000000 h
Maximum read (4KB)Known for one	800000 IOPS	Unknown — not stated by the source
Maximum write (4KB)Known for one	190000 IOPS	Unknown — not stated by the source
Poweridentical
Power consumption (average)Known for one	Unknown — not stated by the source	3.4 W
Power consumption (idle)Known for one	Unknown — not stated by the source	1.2 W
Weight & dimensions1 differ
WidthKnown for one	Unknown — not stated by the source	70.1 mm
DepthKnown for one	Unknown — not stated by the source	100.2 mm
HeightKnown for one	Unknown — not stated by the source	7 mm
WeightDiffers	9 g	77 g
Operational conditionsidentical
Operating temperature (T-T)	0 - 70 °C	0 - 70 °C
Storage temperature (T-T)	-40 - 85 °C	-40 - 85 °C
Operating shockKnown for one	Unknown — not stated by the source	1000 G
Operating relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Other featuresidentical
Product colourKnown for one	Unknown — not stated by the source	Black
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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