toshiba-px04-sas-ssdToshiba is once again raising the bar in enterprise storage with the release of their new PX04S line of SAS SSDs.

Leveraging Toshiba’s in-house 19nm eMLC NAND along with a Toshiba/Marvell co-branded controller, the PX04S line is designed and built by Toshiba to ensure the utmost quality and performance.

The PX04S series SAS SSDs will come in four different SKUs, each designed for a different workload. The highest endurance SKU designed for write intensive workloads, the PX04SHB, is rated at up to 25 DWPD (Drive Writes Per Day) while the low endurance SKU designed for read intensive workloads, the PX04SRB, is rated at up to 1DWPD.

Manufacturer Toshiba Toshiba Toshiba Toshiba
Model PX04SHB PX04SMB PX04SVB PX04SRB
Controller Toshiba/Marvell Custom Toshiba/Marvell Custom Toshiba/Marvell Custom Toshiba/Marvell Custom
NAND Toshiba 19nm eMLC Toshiba 19nm eMLC Toshiba 19nm eMLC Toshiba 19nm eMLC
Capacity 1600GB, 800GB, 400GB, 200GB 3200GB, 1600GB, 800GB, 400GB 3840GB, 1920GB, 960GB, 480GB 3840GB, 1920GB, 960GB, 480GB
Sequential Read 1.5GB/s – 1.9GB/s 1.5GB/s – 1.9GB/s 1.5GB/s – 1.9GB/s 1.5GB/s – 1.9GB/s
Sequential Write 750MB/s – 800 MB/s 750MB/s – 800 MB/s 750MB/s – 800 MB/s 750MB/s – 800 MB/s
4K Random Read 270,000 IOPS 270,000 IOPS 270,000 IOPS 270,000 IOPS
4K Random Write Up to 125,000 IOPS Up to 90,000 IOPS Up to 60,000 IOPS Up to 22,000 IOPS
Endurance 25 DWPD 10 DWPD 3 DWPD 1 DWPD
Warranty 5 years 5 years 5 years 5 years

The drives will operate on dual SAS 12Gb/s interface for maximum performance. They include features such as Toshiba’s proprietary QSBC ECC Algorithm and beefy power failure protection which are critical for enterprise environments. Drives may also be configured with TCG Opal SED (Self Encyrpting Drive) features for hardware encryption support. The entire PX04S lineup of drives include a 5 year limited warranty.

The Toshiba PX04S enterprise SSD lineup is currently available for sampling now. Units will be on display at Flash Memory Summit and we’ll be there to bring you the latest information on these drives. Until then, stay tuned!