The Connectors

This is a Serial ATA drive, with native support for SATA 3.0 Gb/s. It is backward-compatible so you will have no problem using it with older SATA 1.5 Gb/s controllers. However, the faster SATA 3.0 Gb/s interface is necessary for optimal performance since this Kingston SSD boasts a sustained internal (NAND-to-buffer) read transfer rate of 180 MB/s.

Like all Serial ATA drives, it comes the standard SATA data (left) and power (right) connectors and is hot-pluggable. That means you can connect and disconnect this solid state drive to your PC while it's still running. There is no jumper block because there's really nothing for you to set.

Breather Hole

Unlike hard disk drives, the Kingston SSDNow V SSD has no breather holes. That's because it is not a mechanical drive with spinning platters that require a filtered hole to equalize its internal pressure and allow condensation to escape. A solid state drive is basically made up of nothing more than a circuit board with a controller and NAND flash memory chips. The very same stuff you will find inside a USB flash drive.

Defragging The SSDNow V

Unlike hard disk drives, flash-based SSDs write and overwrite data in large blocks of 512 KB to 1 MB in size. Even if you only need to overwrite one byte of data, it has to erase and overwrite an entire block. This causes a lot of wear on the memory cells and greatly reduces their lifespan. To prevent that from happening, SSDs perform wear leveling by spreading the writes so that the flash memory cells have equal wear.

Newer SSDs, like the Kingston SSDNow V, also use a large write buffer and support for the TRIM command (in Windows 7) to temporarily store and combine writes before they are actually written to the flash memory. This reduces the number of block erases and wear on the memory cells. According to Kingston, the SSDNow V SSDs have a 64 MB write buffer, but they declined to reveal the type or speed of the SDRAM write buffer used.

Both wear leveling and write combining will eventually cause performance to degrade because of internal fragmentation. Unfortunately, this kind of fragmentation cannot be corrected by traditional disk defragmentation software. To solve this performance issue, you have to use a special SSD defragmentation software, or a newer hard disk drive defragmentation software that supports SSD defragmentation. Sadly, Kingston does not provide such a software yet. Perhaps in the near future...

Accessories

The Kingston SSDNow V+ comes with a variety of accessories. For desktop installation, Kingston included everything you need - a Molex-to-SATA power adaptor, a SATA data cable and 2.5" to 3.5" mounting brackets and screws. There is also a USB cable for the USB enclosure, should you choose to use that instead.

The CD bundled with this SSD includes a copy of the Acronis True Image HD software, and installation guides for both notebooks and desktop PCs.

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