Product Description

Trek SATA SSD (Solid State Drive) is a high performance and high reliability storage device based on NAND Flash technology that designed to solve the bottleneck of computing system by traditional hard disk drives. Our SATA SSD doesn't have a moving parts and it has a same host interface and same physical dimension with Hard Disk Drive, so it can be drop-in replaced with the hard disk drives without anything. With a high performance and low power consumption, Our SATA SSD can be a good storage device for NB and Tabletop PC.

TrekSATA SSD purely consists of semiconductor devices and 3D NAND flash memories, which give rugged features against shock and vibration, used in extreme environment such as industrial PC to increase MTBF. Furthermore, Our SATA SSD has highly advanced flash memory management algorithm to guarantee higher performance and data integrity.

Introduction

This chapter is about the specifications of the 2.5” SATA Solid State Drive SSD with SATAⅡinterface.

Note: the maximum Read & Write performance test with ATTO Disk Benchmark;
IOPS test with IOmeter 2008.

Outline

The testing environment is below

• OS: Windows 7 Ultimate
• CPU: Intel (R) Core(TM) i3-2100T CPU @2.50GHz
• Memory: 4GB
• Motherboard: Asrock H67M
• Test program: ATTOBenchMark V2.47 (sequential R/W speed)
• IOmeter2008 (IOPS)
• HD tune V4.6.1 (sustainably R/W speed, access time)
• Test Drive: KF2710TCS24-240GB (TLC)

Block Diagram

Physical Dimensions

Interface

Pin Assignment

Interface Mode

The interface of the 2.5” SATA SSD complies with the standard Serial ATA version 3.1:

• Host Transfer Rate is 600MB/s(6.0Gb/s)
• PIO mode 0,1,2,3,4
• DMA mode 0,1,2
• UDMA mode 0,1,2,3,4,5,6

Reliability

ECC Descriptions

LDPC ECC

The LDPC ECC engine executes parity generation and error detection/correction features, and enhances decoding throughput and data reliability. With LDPC of correction capability 1e-2 RBER, the hard and soft decoding mechanism provides powerful error correction. Hence the SM2256 can enhance the endurance and retention of TLC NAND and extends the SSD lifespan.

Advance Wear-Leveling Algorithm

The NAND flash devices are limited by a certain number of write cycles. When using a file system, frequent file table updates is mandatory. If some area on the flash wears out faster than others, it would significantly reduce the lifetime of the whole device, even if the erase counts of others are far from the write cycle limit. Thus, if the write cycles can be distributed evenly across the media, the lifetime of the media can be prolonged significantly. The scheme is achieved both via buffer management and specific advanced wear leveling to ensure that the lifetime of the flash media can be increased, and the disk access performance is optimized as well.

S.M.A.R.T Function

S.M.A.R.T. is an acronym for Self-Monitoring, Analysis and Reporting Technology, an open standard allowing disk drives to automatically monitor their own health and report potential problems. It protects the user from unscheduled downtime by monitoring and storing critical drive performance and calibration parameters. Ideally, this should allow taking proactive actions to prevent impending drive failure. SMART feature adopts the standard SMART command B0h to read data from the drive. When the SMART Utility running on the host, it analyzes and reports the disk status to the host before the device is in critical condition.

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Q&A on Trek S7 Series 240GB Solid State Drive - SSD-S7-240GB

Customer questions & answers