Product comparison · 2 internal solid state drives

HP 2UL81AA internal solid state drive vs Memblaze PBlaze7 7A40 Series

10specifications compared
10differ
0identical
15known for one product only

Key differences

The Memblaze PBlaze7 7A40 Series has 14 TB more SSD capacity than the HP 2UL81AA internal solid state drive (15 TB vs 1 TB). The Memblaze PBlaze7 7A40 Series has 3,349,905 IOPS more random read (4KB) than the HP 2UL81AA internal solid state drive (3350000 IOPS vs 95 IOPS). The Memblaze PBlaze7 7A40 Series has 209,895 IOPS more random write (4KB) than the HP 2UL81AA internal solid state drive (210000 IOPS vs 105 IOPS). Only the Memblaze PBlaze7 7A40 Series has NVMe. Only the Memblaze PBlaze7 7A40 Series has hardware encryption.

SSD capacity
- 2UL81AA internal solid state drive:1 TB
- PBlaze7 7A40 Series:15 TB
SSD form factor
- 2UL81AA internal solid state drive:2.5"
- PBlaze7 7A40 Series:U.2
Interface
- 2UL81AA internal solid state drive:Serial ATA III
- PBlaze7 7A40 Series:PCI Express 5.0
NVMe
- 2UL81AA internal solid state drive:No
- PBlaze7 7A40 Series:Yes
Component for
- 2UL81AA internal solid state drive:Notebook/All-In-One
- PBlaze7 7A40 Series:Server
Hardware encryption
- 2UL81AA internal solid state drive:No
- PBlaze7 7A40 Series:Yes
Random read (4KB)
- 2UL81AA internal solid state drive:95 IOPS
- PBlaze7 7A40 Series:3350000 IOPS
Random write (4KB)
- 2UL81AA internal solid state drive:105 IOPS
- PBlaze7 7A40 Series:210000 IOPS

Side by side

Differences highlightedShow differences only

Comparison of 2UL81AA, P7A40DT1536Y02
25 specifications	A HP 2UL81AA internal solid state drive Model 2UL81AA View product	B Memblaze PBlaze7 7A40 Series Model P7A40DT1536Y02 View product
Features9 differ
SSD capacityDiffers	1 TB	15 TB
SSD form factorDiffers	2.5"	U.2
InterfaceDiffers	Serial ATA III	PCI Express 5.0
NVMeDiffers	No	Yes
Component forDiffers	Notebook/All-In-One	Server
Hardware encryptionDiffers	No	Yes
Read speedKnown for one	570 MB/s	Unknown — not stated by the source
Write speedKnown for one	525 MB/s	Unknown — not stated by the source
Random read (4KB)Differs	95 IOPS	3350000 IOPS
Random write (4KB)Differs	105 IOPS	210000 IOPS
DevSlp (device sleep) supportKnown for one	Yes	Unknown — not stated by the source
Mean time between failures (MTBF)Differs	2000000 h	2500000 h
TBW ratingKnown for one	500	Unknown — not stated by the source
CertificationKnown for one	CE, CB, FCC, cTUVus, KCC, BSMI, VCCI, RoHS, RCM	Unknown — not stated by the source
Memory typeKnown for one	Unknown — not stated by the source	QLC 3D NAND
Poweridentical
Operating voltageKnown for one	3.7 V	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	698 mm	Unknown — not stated by the source
DepthKnown for one	67 mm	Unknown — not stated by the source
HeightKnown for one	100 mm	Unknown — not stated by the source
WeightKnown for one	50 g	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 70 °C	0 - 77 °C
Storage temperature (T-T)Known for one	-40 - 85 °C	Unknown — not stated by the source
Vibration resistanceKnown for one	3.1 G	Unknown — not stated by the source
Maximum operating temperatureKnown for one	Unknown — not stated by the source	77 °C
Minimum operating temperatureKnown for one	Unknown — not stated by the source	0 °C

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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