High Point RocketRAID 640L Internal 4 SATA Port PCI-Express 2.0 x4 SATA 6Gb/s RAID Controller -Lite Version

There is a lot of compatibility issue

data rate dropped to 8 Mbps within few weeks, bought new set of hdds 2TB x 4 and created a new raid 5 volume, but alas within a month data rate is 8 Mbps. Raid management not showing any errors!

This is a cost effective card for adding RAID capabilities to almost any system.Pros:Super easy to setupMultiple RAID modes supportedWorks with pretty much any SATA drive availableCons:Drivers can be a pain to find on the websiteSpecial Notes:If you are using a consumer grade computer, this RAID card may not work. I recently tried installing it in a XPS 8940 and windows could not see the card. I tried the different RAID BIOS firmwares by installing the card in another computer (Precision T1700) and flashing it. Eventually I could get the XPS BIOS to see the card but it would still not show up as an available device in Windows.

These things are solid, Highpoint cards in general.We've been using them for a very long time. (Probably over 15 years)Not a single card has ever failed or lost any data. (We've had other manufactures fail, even Adaptec, we dumped them all and stuck with Highpoint)Easy to install and easy to use.One of its best features is the GUI interface. Its clean and gives you a lot of info and options.You can configure RAID options on the fly, even while the server is in use, like:RAID1 to RAID5, Expanding RAID, Replacing failed drives, and more.For RAID rebuilds you can even set the priority level (low, med, high), so you don't disrupt live server access (Intel Rapid Raid could take some pointers on this one)It has email notification, and a built in buzzer for failed drives.You can set health monitoring to repair bad sectors, or test drives.In our latest experiment...We bought this 640L card to upgrade an older RocketRAID 2220 card. Thought it would be a good test to just swap the cards in the server, and plug in the existing hard drives as is. Amazing they all came up as if the older card was still hosting them.So we can say that at least upgrading to a newer card, will retain all your data. (still backup first, just in case).That in itself is amazing. You can' do this with lot of other manufactures, without rebuilding the data.As for the naysayers, complaining about UEFI.So what if it won't boot in this mode. You can create multiple logical RAID drives.Just make a small MBR 250GB RAID drive for your C, or boot drive.And make a second GPT RAID drive from the rest of the space.Best of both worlds!And this card is plenty fast.At 2x PCIe that's still 2.5GT/s (or 500MB/s)On this 640L card we installed 3 x 6TB WD RED PLUS (thats FRX not FAX) drives in RAID5 (12TB usable).CrystalMarkv3-64 test: (Read 211MB/s, Write 175MB/s) - that is max output for these drives.You want UEFI, and ever faster speeds.How much does this card cost?Sure go spend 10x the price of this card. To get LSI or whatever you think is great.Bottom line, you get way more than what you pay for with this card!

Ich habe mich jetzt stundenlang damit befasst, diesen Controller dazu zu bringen, dass er doch bitte meine Computer von der Festplatte bootet. Aber NEIN .. er ist davon nicht zu überzeugen. Normalerweise müsste diese Karte ein Bios haben, was beim Start angezeigt wird ... diesbezüglich handelt es sich wohl um Wunschdenken meinerseits. Selbst die einfachste Form, einfach 4 Festplatten für Windows 10 zur Verfügung zu stellen, beherrscht er nicht. Die angeblichen von Microsoft WHQL Zertifizierten Treiber, werden von Windows 10, 64 Bit abgelehnt oder besser gesagt, erst gar nicht an dem Speicherort gefunden, an dem sie abgelegt worden sind. In keinen der PCI-X (Slot für die Grafikkarte) wird diese Karte erkanntUm den Frust mit diese Karte ein ende zusetzen, geht sie zurück an den Händler. Ihr Nutzwert ist gleich Null .. ihr Frustwert dafür um so höher. Von diesen Raid Controller kann ich allen nur abraten. Für weniger Geld, findet man bessere Hardware in dieser Richtung bei Amazon.

Ottimo prodotto, l'ho comprato per espandere le porte SATA di un PC datato in cui ho installato Win 2012 server essential R2.Una volta caricati i drive aggiornati dal sito funziona perfettamente.Ho risparmiato così un aggiornamento completo di motherboard, processore e RAM.Come utilizzo principale per storage la configurazione così fatta va benissimo.Molto consigliato

マザーボード　P7P55DE-EVOHDD　500GB　4台で、RAID1/0 を構築、Windows8.1。マザーボードのRADIコントローラーでRAID1/0を構築していたが、不調になってきたため導入。マザーボードのSATAコントローラとぶつかると予測していたが、マザーボードに3つのコントローラーがあり、どれとぶつかっているのかがわからず、切り分けをしながら、5回ほどやり直しをし、OSのインストールもできた。導入後は、BIOSのチェック分だけ起動に時間はかかるが、特に問題なく安定して動作してくれている。導入マニュアルも丁寧な作りではないので、自作経験の少ない人は手を出さない方がいいかも。勉強するつもりなら、いい商品。