Product comparison · 2 internal solid state drives

Dell 405-AAGR internal solid state drive vs Samsung PM871 128 GB 2.5" Serial ATA III

Key differences

SSD capacity
- 405-AAGR internal solid state drive:3.2 TB
- PM871 128 GB 2.5" Serial ATA III:128 GB
Interface
- 405-AAGR internal solid state drive:PCI Express
- PM871 128 GB 2.5" Serial ATA III:Serial ATA III
Read speed
- 405-AAGR internal solid state drive:2765 MB/s
- PM871 128 GB 2.5" Serial ATA III:540 MB/s
Write speed
- 405-AAGR internal solid state drive:2253 MB/s
- PM871 128 GB 2.5" Serial ATA III:140 MB/s

Differences highlightedShow differences only

Comparison of 405-AAGR, PM871
17 specifications	A Dell 405-AAGR internal solid state drive Model 405-AAGR View product	B Samsung PM871 128 GB 2.5" Serial ATA III Model PM871 View product
Features5 differ
SSD capacityDiffers	3.2 TB	128 GB
SSD form factorDiffers	Half-Height/Half-Length (HH/HL)	2.5"
InterfaceDiffers	PCI Express	Serial ATA III
Memory typeKnown for one	MLC	Unknown — not stated by the source
Read speedDiffers	2765 MB/s	540 MB/s
Write speedDiffers	2253 MB/s	140 MB/s
Random read (4KB)Known for one	330000 IOPS	Unknown — not stated by the source
Random write (4KB)Known for one	385000 IOPS	Unknown — not stated by the source
PCI Express interface data lanesKnown for one	x8	Unknown — not stated by the source
Data transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
Brand-specific featuresidentical
Intel High Endurance Technology (HET)Known for one	Yes	Unknown — not stated by the source
Weight & dimensionsidentical
WeightKnown for one	147 g	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 55 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Other featuresidentical
Product colourKnown for one	Green	Unknown — not stated by the source
Connector(s)Known for one	Unknown — not stated by the source	SFF-8223

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.