Product comparison · 2 internal solid state drives

Dell 400-BFEP internal solid state drive vs Lenovo 4XB7A38144 internal solid state drive

5specifications compared
3differ
2identical
24known for one product only

Key differences

Only the Dell 400-BFEP internal solid state drive has NVMe. SSD capacity: 950 GB on the Dell 400-BFEP internal solid state drive, 1.92 TB on the Lenovo 4XB7A38144 internal solid state drive. Interface: U.2 on the Dell 400-BFEP internal solid state drive, Serial ATA III on the Lenovo 4XB7A38144 internal solid state drive.

SSD capacity
- 400-BFEP internal solid state drive:950 GB
- 4XB7A38144 internal solid state drive:1.92 TB
Interface
- 400-BFEP internal solid state drive:U.2
- 4XB7A38144 internal solid state drive:Serial ATA III
NVMe
- 400-BFEP internal solid state drive:Yes
- 4XB7A38144 internal solid state drive:No

Side by side

Differences highlightedShow differences only

Comparison of 400-BFEP, 4XB7A38144
29 specifications	A Dell 400-BFEP internal solid state drive Model 400-BFEP View product	B Lenovo 4XB7A38144 internal solid state drive Model 4XB7A38144 View product
Features3 differ
SSD capacityDiffers	950 GB	1.92 TB
InterfaceDiffers	U.2	Serial ATA III
NVMeDiffers	Yes	No
Memory typeKnown for one	Unknown — not stated by the source	QLC 3D NAND
Hardware encryptionKnown for one	Unknown — not stated by the source	Yes
Security algorithmsKnown for one	Unknown — not stated by the source	256-bit AES
Data transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
Read speedKnown for one	Unknown — not stated by the source	540 MB/s
Write speedKnown for one	Unknown — not stated by the source	165 MB/s
Random read (4KB)Known for one	Unknown — not stated by the source	70 IOPS
Random write (4KB)Known for one	Unknown — not stated by the source	2 IOPS
Read latencyKnown for one	Unknown — not stated by the source	310 µs
Write latencyKnown for one	Unknown — not stated by the source	530 µs
Hot-swapKnown for one	Unknown — not stated by the source	Yes
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	2000000 h
Poweridentical
Power consumption (read)Known for one	Unknown — not stated by the source	2.8 W
Power consumption (write)Known for one	Unknown — not stated by the source	3.9 W
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	70 mm
DepthKnown for one	Unknown — not stated by the source	100 mm
HeightKnown for one	Unknown — not stated by the source	7 mm
WeightKnown for one	Unknown — not stated by the source	70 g
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 70 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 85 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Other featuresidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Compatible productsKnown for one	PowerEdge R6525 PowerEdge R640 PowerEdge R440 PowerEdge R6515 PowerEdge R940 PowerEdge C6525 PowerEdge C6420 PowerEdge R840 PowerEdge R7515 PowerEdge R7525 PowerEdge R7415 PowerEdge R6415 PowerEdge R740XD PowerEdge R7425 PowerEdge R940xa	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84717070

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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