Product comparison · 2 internal solid state drives

Memblaze PBlaze7 7940 Series vs Memblaze PBlaze7 7A40 Series

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

Key differences

SSD capacity
- PBlaze7 7940 Series:12.8 TB
- PBlaze7 7A40 Series:61.44 TB
SSD form factor
- PBlaze7 7940 Series:E1.S
- PBlaze7 7A40 Series:U.2
Memory type
- PBlaze7 7940 Series:3D TLC
- PBlaze7 7A40 Series:QLC 3D NAND
Country of origin
- PBlaze7 7940 Series:China, Taiwan
- PBlaze7 7A40 Series:China

Side by side

Differences highlightedShow differences only

Comparison of P7946RT1280M00, P7A40DT6144Y02
16 specifications	A Memblaze PBlaze7 7940 Series Model P7946RT1280M00 View product	B Memblaze PBlaze7 7A40 Series Model P7A40DT6144Y02 View product
Features3 differ
SSD capacityDiffers	12.8 TB	61.44 TB
SSD form factorDiffers	E1.S	U.2
Interface	PCI Express 5.0	PCI Express 5.0
NVMe	Yes	Yes
Memory typeDiffers	3D TLC	QLC 3D NAND
Component for	Server	Server
Hardware encryption	Yes	Yes
Target workloadKnown for one	Write Intensive (WI)	Unknown — not stated by the source
Sequential read speed (ATTO)Known for one	13500 MB/s	Unknown — not stated by the source
Sequential write speed (ATTO)Known for one	9500 MB/s	Unknown — not stated by the source
Drive writes per day (DWPD)Known for one	3	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	2500000 h	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 77 °C	Unknown — not stated by the source
Maximum operating temperatureKnown for one	77 °C	Unknown — not stated by the source
Minimum operating temperatureKnown for one	0 °C	Unknown — not stated by the source
Logistics data1 differ
Country of originDiffers	China, Taiwan	China

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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