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SanDisk Optimus Eco Enterprise SAS SSD Review

SanDisk Optimus Eco Enterprise SAS SSD Review
SanDisk releases the Optimus Eco to target the read-intensive market; yet the Eco retains many similar characteristics of the Optimus SSDs.
| SSDs in IT/Datacenter | Posted: Jan 2, 2014 3:03 pm
TweakTown Rating: 93%Manufacturer: SanDisk

Introduction

 

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The maturation of enterprise SSDs has led to further refinement of the product stack. When enterprise SSDs began to gather steam a few years ago, nearly every product was tailored for the high endurance, write-intensive segment. The formula was simple; the high price of enterprise SSDs dictated that their destination was always high-end applications. These SSDs typically featured SAS connections, and SLC NAND, as a rule.

 

The expansion of enterprise SATA SSDs brought along eMLC NAND, and then finally, the widespread adoption of typical MLC NAND resulted in crashing prices for SSDs. A whole ecosystem of SATA SSD's began to crop up with an SSD truly for every usage case, from read-oriented, to mid-tier and high endurance. However, the SAS segment remained largely focused on expensive, high endurance flagship-class SSDs.

 

The release of the SanDisk Optimus Eco brings a lower-cost alternative into the SAS stable. The high performance expected of a SAS SSD remains in place, while the write endurance of the SSD is lower than preceding products. This provides a value-oriented SAS SSD that bucks the typical high-priced SAS trend.

 

The Optimus family consists of two models. The Optimus is an award winning SAS SSD designed for heavy read/write workloads, and fulfills the role of the workhorse for bleeding-edge applications. The Eco steps in and provides a mid-tier solution, with High Availability features and SAS functionality. The CloudSpeed 1000 and 1000E fulfill the role of SATA-class SSDs employed for mainstream use.

 

The Optimus Eco is designed for read-centric workloads, yet still features impressive random read/write speeds of 90,000/35,000, blistering sequential read/write speeds of 500/500 MB/s in normal operation, and up to 1Gb/s in wideport mode. The Eco moves to 19nm NAND produced by the SanDisk/Toshiba Flash Forward joint venture. The Guardian Technology platform delivers an endurance rating of three random Drive Writes per Day (DWPD), and seven DWPD for sequential workloads.

 

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The Eco features capacities of 400 GB and 800 GB, in a 2.5" 9.5mm form factor. This limited capacity range on the low-end denotes a focus on high capacity for the Eco series, but it does not stop there. The Eco is also available in a 15mm chassis, with massive capacities of 1.6 and 2.0TB. This high-density trumps any performance 2.5" HDD on the market, and secures a spot for the Eco in dense applications that require high performance, significant endurance, and affordability.

 

While the Eco sports focus on capacity and affordability, it doesn't skimp on enterprise-class features. Power capacitors provide resilience to power loss, onboard data duplicity guards against data loss, dual port SAS provides enhanced functionality, TCG Enterprise Compliance, AES 256-bit encryption nails down security, and an amazing MTBF of 2.5 million hours provides a high level of reliability. The Eco is also backed by a five-year warranty.

 

There is no doubt in the performance of the original SAS Optimus; it still leads our charts as the fastest 6Gb/s SSD available on the market. The Eco has much of the same design and architecture of the original Optimus, so all of the pieces are in place for a more affordable high-end SSD.

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