Product comparison · 2 internal solid state drives

Lenovo 4XB0N68515 internal solid state drive vs Lenovo 4XB0N68521 internal solid state drive

22specifications compared
1differ
21identical
21known for one product only

Key differences

SSD form factor
- 4XB0N68515 internal solid state drive:3.5"
- 4XB0N68521 internal solid state drive:2.5"

Side by side

Differences highlightedShow differences only

Comparison of 4XB0N68515, 4XB0N68521
43 specifications	A Lenovo 4XB0N68515 internal solid state drive Model 4XB0N68515 View product	B Lenovo 4XB0N68521 internal solid state drive Model 4XB0N68521 View product
Features1 differ
SSD capacity	960 GB	960 GB
SSD form factorDiffers	3.5"	2.5"
Interface	Serial ATA III	Serial ATA III
NVMe	No	No
Memory type	3D TLC NAND	3D TLC NAND
Component for	Server/workstation	Server/workstation
Hardware encryption	Yes	Yes
Security algorithms	256-bit AES	256-bit AES
Data transfer rate	6 Gbit/s	6 Gbit/s
Maximum read (4KB)Known for one	Unknown — not stated by the source	72000 IOPS
Maximum write (4KB)Known for one	Unknown — not stated by the source	65000 IOPS
Read latency	36 µs	36 µs
Write latency	36 µs	36 µs
S.M.A.R.T. support	Yes	Yes
Hot-swapKnown for one	Unknown — not stated by the source	Yes
End-to-End Data Protection	Yes	Yes
Uncorrectable Bit Error Rate (UBER)	< 1 per 10^17 bits read	< 1 per 10^17 bits read
Drive writes per day (DWPD)Known for one	Unknown — not stated by the source	3
Mean time between failures (MTBF)	2000000 h	2000000 h
Read speedKnown for one	500 MB/s	Unknown — not stated by the source
Write speedKnown for one	490 MB/s	Unknown — not stated by the source
Random read (4KB)Known for one	72000 IOPS	Unknown — not stated by the source
Random write (4KB)Known for one	30000 IOPS	Unknown — not stated by the source
TBW ratingKnown for one	1860	Unknown — not stated by the source
CertificationKnown for one	FCC, CA/CSA-CEI/IEC, EN 55024, EN 55022, EN-60950-1, UL/CSA, C-Tick, BSMI, KCC, WEEE	Unknown — not stated by the source
Poweridentical
Power consumption (write)Known for one	Unknown — not stated by the source	4.5 W
Power consumption (average)Known for one	4.8 W	Unknown — not stated by the source
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	63 g
Packaging dataidentical
Package widthKnown for one	Unknown — not stated by the source	174 mm
Package depthKnown for one	Unknown — not stated by the source	133 mm
Package heightKnown for one	Unknown — not stated by the source	63 mm
Package weightKnown for one	Unknown — not stated by the source	434 g
Operational conditionsidentical
Operating temperature (T-T)	0 - 70 °C	0 - 70 °C
Operating relative humidity (H-H)	5 - 95%	5 - 95%
Operating vibration	2.17 G	2.17 G
Non-operating vibration	3.13 G	3.13 G
Operating shock	1000 G	1000 G
Maximum operating altitude	3050 m	3050 m
Other featuresidentical
Compliance certificates	RoHS	RoHS
Endurance ratingKnown for one	Unknown — not stated by the source	5.25 PB

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.

More internal solid state drive comparisons

All internal solid state drive comparisons