Product comparison · 2 internal solid state drives

Memblaze PBlaze6 6531 Series vs Memblaze PBlaze7 7940 Series

Key differences

SSD capacity
- PBlaze6 6531 Series:7.68 TB
- PBlaze7 7940 Series:3.2 TB
Interface
- PBlaze6 6531 Series:PCI Express 4.0
- PBlaze7 7940 Series:PCI Express 5.0
Target workload
- PBlaze6 6531 Series:Read Intensive (RI)
- PBlaze7 7940 Series:Write Intensive (WI)
Sequential read speed (ATTO)
- PBlaze6 6531 Series:6400 MB/s
- PBlaze7 7940 Series:14000 MB/s
Sequential write speed (ATTO)
- PBlaze6 6531 Series:4800 MB/s
- PBlaze7 7940 Series:5800 MB/s
Drive writes per day (DWPD)
- PBlaze6 6531 Series:1
- PBlaze7 7940 Series:3
Mean time between failures (MTBF)
- PBlaze6 6531 Series:2000000 h
- PBlaze7 7940 Series:2500000 h
Operating temperature (T-T)
- PBlaze6 6531 Series:0 - 70 °C
- PBlaze7 7940 Series:0 - 77 °C

Differences highlightedShow differences only

Comparison of P6531DT0768Y00, P7946DT0320Y00
16 specifications	A Memblaze PBlaze6 6531 Series Model P6531DT0768Y00 View product	B Memblaze PBlaze7 7940 Series Model P7946DT0320Y00 View product
Features7 differ
SSD capacityDiffers	7.68 TB	3.2 TB
SSD form factor	U.2	U.2
InterfaceDiffers	PCI Express 4.0	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	6400 MB/s	14000 MB/s
Sequential write speed (ATTO)Differs	4800 MB/s	5800 MB/s
Drive writes per day (DWPD)Differs	1	3
Mean time between failures (MTBF)Differs	2000000 h	2500000 h
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 70 °C	0 - 77 °C
Maximum operating temperatureDiffers	70 °C	77 °C
Minimum operating temperature	0 °C	0 °C
Logistics data1 differ
Country of originDiffers	China	China, Taiwan

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.