Product comparison · 2 internal solid state drives

Memblaze PBlaze7 7A40 Series vs Origin Storage PBlaze7 7940 Series

Key differences

Memory type: QLC 3D NAND on the Memblaze PBlaze7 7A40 Series, 3D TLC on the Origin Storage PBlaze7 7940 Series.

Differences highlightedShow differences only

Comparison of P7A40DT1536Y02, MZQL215THBLA-00A07-OS
18 specifications	A Memblaze PBlaze7 7A40 Series Model P7A40DT1536Y02 View product	B Origin Storage PBlaze7 7940 Series Model MZQL215THBLA-00A07-OS View product
Features1 differ
SSD capacity	15 TB	15 TB
SSD form factor	U.2	U.2
Interface	PCI Express 5.0	PCI Express 5.0
NVMe	Yes	Yes
Memory typeDiffers	QLC 3D NAND	3D TLC
Component for	Server	Server
Hardware encryption	Yes	Yes
Target workloadKnown for one	Unknown — not stated by the source	Read Intensive (RI)
Sequential read speed (ATTO)Known for one	Unknown — not stated by the source	13500 MB/s
Sequential write speed (ATTO)Known for one	Unknown — not stated by the source	9500 MB/s
Drive writes per day (DWPD)Known for one	Unknown — not stated by the source	1
Mean time between failures (MTBF)	2500000 h	2500000 h
Random read (4KB)Known for one	3350000 IOPS	Unknown — not stated by the source
Random write (4KB)Known for one	210000 IOPS	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	0 - 77 °C	0 - 77 °C
Maximum operating temperature	77 °C	77 °C
Minimum operating temperature	0 °C	0 °C
Logistics dataidentical
Country of originKnown for one	Unknown — not stated by the source	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.