Product comparison · 2 internal solid state drives

Memblaze PBlaze7 7940 Series vs Memblaze PBlaze7 7A40 Series

16specifications compared
6differ
10identical
0known for one product only

Key differences

The Memblaze PBlaze7 7940 Series has 3.2 TB more SSD capacity than the Memblaze PBlaze7 7A40 Series (6.4 TB vs 3.2 TB). The Memblaze PBlaze7 7A40 Series has 100 MB/s more sequential read speed (ATTO) than the Memblaze PBlaze7 7940 Series (14100 MB/s vs 14000 MB/s). The Memblaze PBlaze7 7940 Series has 4,000 MB/s more sequential write speed (ATTO) than the Memblaze PBlaze7 7A40 Series (10000 MB/s vs 6000 MB/s). Operating temperature (T-T): 0 - 77 °C on the Memblaze PBlaze7 7940 Series, 0 - 70 °C on the Memblaze PBlaze7 7A40 Series. Country of origin: China, Taiwan on the Memblaze PBlaze7 7940 Series, China on the Memblaze PBlaze7 7A40 Series.

SSD capacity
- PBlaze7 7940 Series:6.4 TB
- PBlaze7 7A40 Series:3.2 TB
Sequential read speed (ATTO)
- PBlaze7 7940 Series:14000 MB/s
- PBlaze7 7A40 Series:14100 MB/s
Sequential write speed (ATTO)
- PBlaze7 7940 Series:10000 MB/s
- PBlaze7 7A40 Series:6000 MB/s
Operating temperature (T-T)
- PBlaze7 7940 Series:0 - 77 °C
- PBlaze7 7A40 Series:0 - 70 °C
Maximum operating temperature
- PBlaze7 7940 Series:77 °C
- PBlaze7 7A40 Series:70 °C
Country of origin
- PBlaze7 7940 Series:China, Taiwan
- PBlaze7 7A40 Series:China

Side by side

Differences highlightedShow differences only

Comparison of P7946DT0640Y00, P7A46DT0320Y00
16 specifications	A Memblaze PBlaze7 7940 Series Model P7946DT0640Y00 View product	B Memblaze PBlaze7 7A40 Series Model P7A46DT0320Y00 View product
Features3 differ
SSD capacityDiffers	6.4 TB	3.2 TB
SSD form factor	U.2	U.2
Interface	PCI Express 5.0	PCI Express 5.0
NVMe	Yes	Yes
Memory type	3D TLC	3D TLC
Component for	Server	Server
Hardware encryption	Yes	Yes
Target workload	Write Intensive (WI)	Write Intensive (WI)
Sequential read speed (ATTO)Differs	14000 MB/s	14100 MB/s
Sequential write speed (ATTO)Differs	10000 MB/s	6000 MB/s
Drive writes per day (DWPD)	3	3
Mean time between failures (MTBF)	2500000 h	2500000 h
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 77 °C	0 - 70 °C
Maximum operating temperatureDiffers	77 °C	70 °C
Minimum operating temperature	0 °C	0 °C
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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