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The advantages of SSD compared to rotating hard drives are obvious: not only are they robust and have a low mechanical wear, they convince with their speed as well. SSD provide unbeatable pace when it comes to reading, writing or accessing data processes and are therefore mainly the first choice these days.
KIOXIA Corporation, is one of the world’s leading providers of flash memory, solid-state drives (SSDs) and software solutions. In 2019, “Toshiba Memory Holdings Corporation” was renamed KIOXIA, derived from the Japanese word “kioku” meaning “memory” and the Greek word “axia”. The company developed its first NAND flash memory device back in 1987 and continues to drive the industry forward with sometimes groundbreaking technology developments. KIOXIA is the world leader in the production of NAND flash memory devices and has a market share of about 20%. With a wide product range of high-end SSDs from KIOXIA, we are well prepared for enterprise customers. Enterprise SSDs from KIOXIA are designed for traditional servers and provide high performance and reliability for mission-critical systems. Data center SSDs from KIOXIA feature low power consumption with high performance and are optimized for large cloud data centers
We have taken a look at various types of SSD that are produced by Kioxia.
What are the differences between the evaluated types of SSD? Which are the significant criteria and – even more important – which Kioxia SSD server is the most suitable one for your personal requirements and purposes?
| Interface | SAS | PCIe | SATA | |||||||||||
| Design | 2,5″ | E1.S | 2,5″ U.3 | 2,5″ U.2 | 2,5″ | |||||||||
 |  |  |  |  |  |  |  |  |  |  | ||||
| Model | PM6-R | PM6-V | PM7-R | PM7-V | XD6 | CD6-R | CD6-V | CM7-R | CM7-V | CD8-R | CD8-V | |||
| Standard | SAS 4 / 24G | PCIe Gen4 | PCIe Gen5 | PCIe Gen4 | SATA 6.0 Gbps | |||||||||
| Flash Memory Type | 96 Layer BiCS Flash TLC | 112 Layer BiCS Flash TLC | 96 Layer BiCS Flash TLC | 112 Layer BiCS Flash TLC | ||||||||||
| Max. sequential write rate* (MB/s) | 1.450 – 3.700 | 1.450 – 3.700 | 3.200 – 4.100 | 3.400 – 4.100 | 1.200 – 2.350 | 1.300 – 4.000 | 1.300 – 4.000 | 3.500 – 7.000 | 3.500 – 7.000 | 1.800 – 6.000 | 1.800 – 6.000 | |||
| Max. sequential read rate* (MB/s) | 4.150 | 4.150 | 4.200 | 4.200 | 6.500 | 5.500 – 6.200 | 5.500 – 6.200 | 14.000 | 14.000 | 6.600 – 7.200 | 6.600 – 7.200 | |||
| Random Read | 595K IOPS | 595K IOPS | 720K IOPS | 720K IOPS | 660K – 880K IOPS | 750K – 1.000K IOPS | 750K – 1.000K IOPS | 1.600K – 2.700K IOPS | 2.000K – 2.700K IOPS | 1.000K – 1.250K IOPS | 1.000K – 1.250K IOPS | |||
| Random Write | 80K – 160K IOPS | 145K – 305K IOPS | 80K – 175K IOPS | 320K – 355K IOPS | 50K – 80K IOPS | 30K – 85K IOPS | 85K – 250K IOPS | 150K – 310K IOPS | 310K – 550K IOPS | 80K – 200K IOPS | 160K – 380K IOPS | |||
| Manufacturer’s warranty | 5 years | 5 years | 5 years | 5 years | 5 years | 5 years | 5 years | 5 years | 5 years | 5 years | 5 years | |||
| DWPD** | 1 | 3 | 1 | 3 | 1 | 1 | 3 | 1 | 3 | 1 | 3 | |||
| Release date | ||||||||||||||
| Data sheets | PDF ↓ | PDF ↓ | PDF ↓ | PDF ↓ | PDF ↓ | PDF ↓ | PDF ↓ | PDF ↓ | PDF ↓ | PDF ↓ | PDF ↓ | |||
Enterprise Read Intensive SSD
| Enterprise Mixed Use SSD
| Enterprise Read Intensive SSD
| Enterprise Mixed Use SSD
| Servers and storage systems for cloud and hyperscale data centers | Data Center Read Intensive SSD
| Data Center Mixed Use SSD
| Data Center Read Intensive SSD
| Data Center Mixed Use SSD
| Data Center Read Intensive SSD
| Data Center Mixed Use SSD
| ||||
| Successor | PM7-R | PM7-V | CM7-R | CM7-V | ||||||||||
| Hint | ||||||||||||||
* The sequential write/read rate increases with the SSD capacity.
**Drive Writes Per Day
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