Product comparison · 2 internal solid state drives

Memblaze PBlaze6 6531 Series vs Memblaze PBlaze7 7A40 Series

11specifications compared
6differ
5identical
7known for one product only

Key differences

The Memblaze PBlaze7 7A40 Series has 119.04 TB more SSD capacity than the Memblaze PBlaze6 6531 Series (122.88 TB vs 3.84 TB). The Memblaze PBlaze7 7A40 Series has 500,000 h more mean time between failures (MTBF) than the Memblaze PBlaze6 6531 Series (2500000 h vs 2000000 h). The Memblaze PBlaze7 7A40 Series has 7°C more maximum operating temperature than the Memblaze PBlaze6 6531 Series (77 °C vs 70 °C). Interface: PCI Express 4.0 on the Memblaze PBlaze6 6531 Series, PCI Express 5.0 on the Memblaze PBlaze7 7A40 Series. Memory type: 3D TLC on the Memblaze PBlaze6 6531 Series, QLC 3D NAND on the Memblaze PBlaze7 7A40 Series.

SSD capacity
- PBlaze6 6531 Series:3.84 TB
- PBlaze7 7A40 Series:122.88 TB
Interface
- PBlaze6 6531 Series:PCI Express 4.0
- PBlaze7 7A40 Series:PCI Express 5.0
Memory type
- PBlaze6 6531 Series:3D TLC
- PBlaze7 7A40 Series:QLC 3D NAND
Mean time between failures (MTBF)
- PBlaze6 6531 Series:2000000 h
- PBlaze7 7A40 Series:2500000 h
Operating temperature (T-T)
- PBlaze6 6531 Series:0 - 70 °C
- PBlaze7 7A40 Series:0 - 77 °C
Maximum operating temperature
- PBlaze6 6531 Series:70 °C
- PBlaze7 7A40 Series:77 °C

Side by side

Differences highlightedShow differences only

Comparison of P6531DT0384Y00, P7A40DT12288Y02
18 specifications	A Memblaze PBlaze6 6531 Series Model P6531DT0384Y00 View product	B Memblaze PBlaze7 7A40 Series Model P7A40DT12288Y02 View product
Features4 differ
SSD capacityDiffers	3.84 TB	122.88 TB
InterfaceDiffers	PCI Express 4.0	PCI Express 5.0
Memory typeDiffers	3D TLC	QLC 3D NAND
Target workloadKnown for one	Read Intensive (RI)	Unknown — not stated by the source
Sequential read speed (ATTO)Known for one	6800 MB/s	Unknown — not stated by the source
Sequential write speed (ATTO)Known for one	4800 MB/s	Unknown — not stated by the source
Drive writes per day (DWPD)Known for one	1	Unknown — not stated by the source
Mean time between failures (MTBF)Differs	2000000 h	2500000 h
Random read (4KB)Known for one	Unknown — not stated by the source	3000000 IOPS
Random write (4KB)Known for one	Unknown — not stated by the source	60000 IOPS
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 70 °C	0 - 77 °C
Maximum operating temperatureDiffers	70 °C	77 °C
Logistics dataidentical
Country of originKnown for one	China	Unknown — not stated by the source

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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