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Monday, March 31, 2014
SanDisk Releases New Enterprise SATA SSDs

SanDisk on Monday announced four new additions to its CloudSpeed Serial ATA (SATA) product family: the CloudSpeed Extreme, CloudSpeed Ultra, CloudSpeed Ascend and CloudSpeed Eco Solid State Drives (SSDs).

The new CloudSpeed SSDs are combining Sandisk's flash management Guardian Technology Platform with 19nm-based memory technology.

The CloudSpeed Extreme is a high-endurance SSD. It achieves up to 10 full capacity DWPD with a 5 year warranty and delivers up to 75K/25K IOPS of random read/write performance for write-intensive application workloads. It comes in capacities ranging from 100GB to 800GB and supports up to 14.6 Petabytes Written (PBW) to the drive over its life.

The CloudSpeed Ultra drive achieves up to 3 full DWPD with a 5 year warranty and is optimized for mixed-use application workloads. It is offered in capacities ranging from 200GB to 800GB, and delivers up to 80K/25K random read/write IOPS and supports up to 4.4 PBW.

The CloudSpeed Ascend drive is designed for read-intensive application workloads. It comes in capacities ranging from 240GB to 960GB, achieves up to 1 full DWPD with a 5 year warranty, delivers up to 80K/15K IOPS and supports up to 1.8 PBW.

The CloudSpeed Eco is an entry-level SSD is designed for read-intensive application workloads such as Web Servers. The CloudSpeed Eco comes in capacities from 240GB to 960GB, achieves up to 1 full DWPD with a 3 year warranty, delivers up to 450/400 MB/s of sustained read/write performance and 80k/15k read/write IOPS and supports up to 1.0PBW.

SanDisk's proprietary Guardian Technology Platform, comprised of FlashGuard, DataGuard and EverGuard technologies, work in concert to provide data protection and endurance. The CloudSpeed family of SSDs is also employing a combination of error correction and detection technology, full data path protection, thermal monitoring, and data fail recovery of up to 1 NAND flash erase block.

The CloudSpeed SSDs will be available in mid-Q2 2014.

  CloudSpeed Extreme 2.5? SATA SSDs CloudSpeed Ultra 2.5? SATA SSDs CloudSpeed Ascend 2.5? SATA SSDs CloudSpeed Eco 2.5? SATA SSDs
SATA 6Gb/s

Sequential Read/Write

Up to stated speed. Based on internal testing; performance may vary depending upon drive capacity, host device, OS and application.

Up to 450/400 MB/s

Based on a 128KB transfer rate, using Oakgate SVF exerciser

Random Read/Write IOPS

Based on 4KB transfer rate using Oakgate SVG exerciser

Up to 75K/25K IOPS

Up to 80K/25K


Access Time
< 2.0 milliseconds
19nm MLC
100GB, 200GB, 400GB, 800GB
200GB, 400GB, 800GB
240GB, 480GB, 960GB
Data Reliability (BER)

1 unrecoverable error in 1017 bits read

The JEDEC 64.8 specification requires 1 in 1017 for enterprise-class SSDs


Mean Time Between Failures based on parts stress analysis.

2.5M hours
2M hours
Data Fail Recovery
Recover up to 1 NAND flash erase block of data
Power Fail Recovery
High-reliability backup-power circuitry
Temperature Monitoring
Performance throttling upon warning/critical temperature


Warranty/DWPD - The lesser of 5 years from the date of manufacture of the product or the date on which the product's relevant endurance thresholds set forth in the product specifications are reached.

Lesser of 5 years or maximum endurance used
Lesser of 3 years or maximum endurance used

DWPD (Random Workload)

5V 5%
Active (Typ.)
Shock (operating)
100g @ 1.0 ms, 1 shock along each axis, X, Y, Z in each direction
Vibration (operating)
2.17 g rms 7-800 Hz
Operating Temperature
0 C to 70 C (internal)
Storage Temperature
-40 C to 95 C

5% to 95% non-condensing, relative humidity

Based on MIL-STD 810-F, Method 507.4

-200 feet to 10,000 feet
100.2 mm
69.85 mm
7 mm

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