Product comparison · 2 internal solid state drives

Memblaze PBlaze7 7940 Series vs Memblaze PBlaze7 7A40 Series

Key differences

SSD capacity
- PBlaze7 7940 Series:3.84 TB
- PBlaze7 7A40 Series:6.4 TB
SSD form factor
- PBlaze7 7940 Series:E3.S
- PBlaze7 7A40 Series:U.2
Target workload
- PBlaze7 7940 Series:Read Intensive (RI)
- PBlaze7 7A40 Series:Write Intensive (WI)
Sequential read speed (ATTO)
- PBlaze7 7940 Series:14000 MB/s
- PBlaze7 7A40 Series:14100 MB/s
Sequential write speed (ATTO)
- PBlaze7 7940 Series:5800 MB/s
- PBlaze7 7A40 Series:11200 MB/s
Drive writes per day (DWPD)
- PBlaze7 7940 Series:1
- PBlaze7 7A40 Series:3
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

Differences highlightedShow differences only

Comparison of P7940ES0384M00, P7A46DT0640Y00
16 specifications	A Memblaze PBlaze7 7940 Series Model P7940ES0384M00 View product	B Memblaze PBlaze7 7A40 Series Model P7A46DT0640Y00 View product
Features6 differ
SSD capacityDiffers	3.84 TB	6.4 TB
SSD form factorDiffers	E3.S	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 workloadDiffers	Read Intensive (RI)	Write Intensive (WI)
Sequential read speed (ATTO)Differs	14000 MB/s	14100 MB/s
Sequential write speed (ATTO)Differs	5800 MB/s	11200 MB/s
Drive writes per day (DWPD)Differs	1	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.