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:15 TB
Interface
- PBlaze6 6531 Series:PCI Express 4.0
- PBlaze7 7940 Series:PCI Express 5.0
Sequential read speed (ATTO)
- PBlaze6 6531 Series:6400 MB/s
- PBlaze7 7940 Series:13500 MB/s
Sequential write speed (ATTO)
- PBlaze6 6531 Series:4800 MB/s
- PBlaze7 7940 Series:9500 MB/s
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
Maximum operating temperature
- PBlaze6 6531 Series:70 °C
- PBlaze7 7940 Series:77 °C
Country of origin
- PBlaze6 6531 Series:China
- PBlaze7 7940 Series:China, Taiwan

Differences highlightedShow differences only

Comparison of P6531DT0768Y00, P7940DT1536Y00
16 specifications	A Memblaze PBlaze6 6531 Series Model P6531DT0768Y00 View product	B Memblaze PBlaze7 7940 Series Model P7940DT1536Y00 View product
Features5 differ
SSD capacityDiffers	7.68 TB	15 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 workload	Read Intensive (RI)	Read Intensive (RI)
Sequential read speed (ATTO)Differs	6400 MB/s	13500 MB/s
Sequential write speed (ATTO)Differs	4800 MB/s	9500 MB/s
Drive writes per day (DWPD)	1	1
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.