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Item#: N82E16816132032

Rosewill RC-227 PCI-Express 2.0 SATA III (6.0Gb/s) Controller Card

  • 2 x SATA 6.0Gb/s Internal Connectors
  • Up to 6Gb/s
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Learn more about the Rosewill RC-227

Model

Brand
Rosewill
Model
RC-227

Specifications

Type
SATA III (6.0Gb/s)
Internal Connectors
2 x SATA 6.0Gb/s
Interface
PCI-Express 2.0
Transfer Rate
Up to 6Gb/s
Operating Systems Supported
Drivers for Windows 7, Vista, XP and Server 2003, 2008 32bit / 64bit

Features

Features
Compliant with 5Gbps PCI Express 2.0

Fully compliant with Serial ATA specifications 2.6

Supports SATA III transfer rate of 6.0Gbps, 3.0Gbps 1.5Gbps

Supports ATA and ATAPI commands

Supports Native Command Queuing (NCQ)

Support AES-256

48 bits LBA can Break Capacity-Limit to Support HDD larger than 137GB

Hot-plug capability

Two Pin headers on board for LED connection

Support Port Multiplier Function - Both Command-Based Switching and Frame Information Structure (FIS) switching

Fully RoHS compliant

* HDD Controllers are capable to support all HDD sizes, but different OS may limited the HDD sizes that can be supported. For example, XP 32-bit supports only up to 2TB.

Packaging

Package Contents
1x RC-227 card
1x low profile bracket
1x CD
1x Manual

Manufacturer Warranty

Parts
1 year limited
Labor
1 year limited

Quick Info

Warranty

  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year


Customer Reviews of the Rosewill RC-227

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  • Anonymous
  • 4/3/2014 1:47:57 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsIt Works But Not Great

Pros: It works. TRIM works if using Standard AHCI driver with Windows 7 instead of the Marvell drivers (I installed Marvell following the sheet included, then later updated drivers in device manager and chose "browse my computer.." then "Let me pick..." and clicked on the Standard AHCI 1.0 Serial ATA Controller driver). No noticeable performance hit. On my existing Windows 7 install, I also didn't need to make changes to the registry for AHCI since the driver install did that (moving non-AHCI boot device to AHCI card). Just make sure to install drivers and reboot twice before moving SSD to card. Once moved it should auto install driver and ask for reboot. On a newer PC with AHCI already in use on-board, it is much easier move. Just let Windows 7 install the standard MS driver so TRIM will work. I did not attempt RAID, so I cannot state how that works without Marvell driver.

Cons: Had to reseat the card to get both ports to work. Only the one next to the backplate worked until I did. On P6N mobo, I could not change the BIOS or boot selector (F11) with this card installed, in some cases would freeze at card's BIOS. No issues on newer mobo, though only used for limited testing.

TRIM wouldn't work with the Marvell driver.

Using only one device on the card, my SSD only reached 168 MBps speeds (in HDTune, compared with 124 MBps in SATA1 on-board) on my P6N mobo (in ATTO with this card 210MBps, 135MBps on-board). It's one of those Kingston 60GB v300. I expected at least 200, preferably 210 in HDTune, 225-235 in ATTO. My Windows disk performance score did go from 6.9 to 7.4, but I noticed no real boost in speed for loading Windows, programs, etc. In other words, most things if at all improved on paper, not enough to notice in real time. On a newer MSI FM2 mobo, the speed was 303 MBps (HDTune, compared with 330 MBps in SATA3 on-board). That seemed in-line with what should be for 6Gb:5Gb ratio, assuming SSD not reaching full 6G. Then I tried ATTO benchmark and saw big differences. Max Write was 215 MBps (compared to 486 on-board) and Max Read was 431 (546 on-board). Some of that is explained by the 6:5 difference in bandwidth. Speeds for my SSD should be more like 405 Write, 455 Read on the Rosewill card, assuming proportional decrease from full 6G. Sometimes I think ATTO isn't worth anything. I can't make any real assessment of the drive's performance, but I can say the Rosewill card is not very good at performing the supposed speed negotiated (as in 5G performance at 5G speed).

Other Thoughts: I put this on an MSI P6n Platinum mobo. That mobo has PCIe 1.0 and 4 SATA2 ports (I also have a SATA1 card in PCI for my DVD drives). I put an SATA3 SSD on SATA2 port and it worked, but only at SATA1 speeds (couldn't properly negotiate SATA2), so I bought this. It's overkill for my mobo, but I might build a new PC and move this add-on card to that, so I bought the SATA3 option. My mobo's PCIe x1 slot is correctly recognized as 2.5Gbps by the add-on card's BIOS. That should translate to about 200-220 MBps realistic speed (accounting for overhead), but sadly, no. Just 168 MBps. In an MSI FM2-A75MA-E35 mobo, the card performed much better but still less than expected, considering specs.

Conclusion, this card is good for adding extra SATA ports but not necessarily at good speeds and not very stable at all on some older mobos, unless you're okay with freezes at startup and losing access to the BIOS.

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  • Bryan R.
  • 1/30/2014 8:28:47 AM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggs

Pros: Worked out of the box running Ubuntu. I haven't done any benchmarking, but I haven't noticed any increase in read/write times.

Cons: No cons I can think of off the top of my head.

Did you find this review helpful? Yes No

  • Burt B.
  • 1/29/2014 8:39:57 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggsAte my HDDs

Pros: Fast, proper clips for cables; they won't fall off. Easy install in W7/64.

Cons: Blew out at boot up and corrupted both HDDs on the RAID 1 array. Happily I had a Toshiba external HDD on USB running hourly backups. If not for a constant back up program losing BOTH HDDs on the array would have been a disaster. Is that not the point of having a RAID?

Other Thoughts: Two Eggs because it performed well while it worked. Electronics die, I get it; zapping both HDDs on the card was un-cool and that rates negative Eggs. So, net +5 and -3 = 2.
It lasted 13 months in service, I wish it could have just checked out and not bombed the computer.

Manufacturer Response:

Dear Valued Customer,
Thank you very much for purchasing this unit.
We strive to provide the most reliable and highest quality products to our customers.

Thanks for the feedback we will pass it along to our QA and Design teams.

Phone: 1- 800-575-9885
Email: rma@rosewill.com
Email2: techsupport@rosewill.com

We look forward to hearing from you.

Thanks,
Rosewill Customer Care

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  • Penny S.
  • 11/30/2013 10:22:06 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsDissappointed and Mislead

Pros: It works, but barely. When installed on an already existing Windows 64 installation it works, but at 150MB/sec. data transfer rates, not 6GB/sec. as advertised.

Cons: Installed on new ECS G41 MB with C2C E8400, already existing Kingston 120GB SSD 6.0. Following the user manual instructions for installation on an already existing Win 7 64 installation, the controller worked, but could not be configured to any greater data transfer speeds above 150GB/sec. User manual includes instructions steps if installing on a new Windows 7 64 installation, but after reading the specified manual instructions describing the procedure it was easy to see it was not possible to install the controller and configure the unit properly as a 6GB/sec. controller as described.

Other Thoughts: Every previous Reviewer who has installed this controller to an existing Windows installation and are successful have declined to post benchmarks regarding the unit's actual read/write speeds. Suggest downloading HD Tune free or ATTO Disk Benchmark free and running the software to see your actual transfer speeds. Read/Write speeds will be in the 150GB/ sec. NOT the advertised 6GB/sec.

RMA'D. Disappointed in Rosewill's marketing idea that this is a 6GB SATA controller. Check you transfer speeds if your own this unit. Not a recommended buy.

Manufacturer Response:

Dear Valued Customer,
Thank you very much for purchasing this unit.
We strive to provide the most reliable and highest quality products to our customers.

To clarify your G41 intel chipset motherboard supports PCI express 1.1 which has the same data transfer speeds of PCI express 1.0. For x1 card you will cap out at 250MB/s. If you want to use our card it will perform at the SATA III speeds however because of the bottleneck of your PCI express 1.1bus you will not be able to reach such speeds. You will need to upgrade your motherboard to support PCI express 2.0 which will cap at 500MB/s. This is the main reason you are experiencing problems.

If you are not fully satisfied with our product please contact us to better assist you in resolving your problem.

Phone: 1- 800-575-9885
Email: rma@rosewill.com

We look forward to hearing from you.

Thanks,
Rosewill Customer Care

0 out of 6 people found this review helpful. Did you? Yes No

  • Matthew C.
  • 8/25/2013 3:00:26 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggs

Pros: Gives two SATA 3 ports at the expense of a PCI-E x1 slot. Works under Linux (Debian Wheezy)

Cons: None.

Did you find this review helpful? Yes No

  • Corey H.
  • 1/1/2013 9:25:16 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsWorks Great Thus Far - Ubuntu 12.10

Pros: Very fast and thus far reliable. Havent used the built in raid though it is supported. Doesn't have a long "Startup" time after BIOS.

Been using it now for a couple months in a Ubuntu Server build with 2 3TB SATA3 drives on it. The website says it's not supported by Linux but it picked it up no problem!

Also! It is only half height so it would probably fit in a 'Small Form Factor' case.

Cons: Only having 2 ports is a drag though I believe it is because of PCIe Throughput. - No Cons yet.

Other Thoughts: If it ends up failing at some point I'll probably buy another just like it. Super cheap

2 out of 2 people found this review helpful. Did you? Yes No

  • Daniel S.
  • 12/15/2012 5:59:10 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsIO Errors after 3 months

Pros: Worked perfectly for 3 months

Cons: Only worked for 3 months
Getting IO errors (would deny all disk IO for long periods of time for no reason)

1 out of 1 people found this review helpful. Did you? Yes No

  • dennis c.
  • 11/29/2012 2:16:17 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsIt works

Pros: plug it in, two extra ports this is with Win7, earlier windows require loading a driver...I am using it to run my opticals as I needed to free up some ports to raid my storage...

Cons: none

Other Thoughts: for a simple port contoller it does the job...

2 out of 2 people found this review helpful. Did you? Yes No

  • Matthew W.
  • 4/20/2012 2:04:59 AM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsTo Heck with TRIM

Pros: Sata II Gigabyte p55m-ud4, w/ quaddro 580--I added the RC-227 SATA III Controller with a intel 520 SSD 120Gb with a memory upgrade (*G.SKILL Ripjaws X 16GB (4 x 4GB) DDR3 1600, F3-12800CL9Q-16GBXL*) to overcome older HDD page file "lag" when 8Gb's of memory maxed out @ 100% Load on 8 cores of i860 overclocked to 4.0 GHz Liquid cooled 70C'ish with FAE/CAD and Mathematical modeling. Read/write CrystalDiskmark have been around 420mB/s and 250mB/s. I have see substantial improvement.

Cons: My Intel 520 SSD operating in AHCI is not identifying properly, and not recognized by the Intel's "Toolbox", or DOS-Firmware Update thereby TRIM will not function. I therefore intend to simply swap the Drive cable to the mobo SATA II and run this function on occasion. That being said, It works, with Bios tweaking, my system is faster and with the purchase of the sub-$50 controller I have functional upgraded system with a SSD I can add to the next PC post-price drop (23Apr12).

Other Thoughts: I would suggest a new mobo for SATA III, but as a interim upgrade it is inexpensive and functions.

4 out of 4 people found this review helpful. Did you? Yes No

  • Ronald B.
  • 1/7/2012 4:33:44 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggssweet

Pros: I've bought 2 of these cards. Both for the same computer issues. Onboard controllers were fragged up. On one computer i installed drivers after i hooked up drives. On the other computer i installed drivers afterwards. Either way both are working great now with no problems I'm very happy with them.

Cons: only 2 ports...

Other Thoughts: Oddly enough both computers (not mine) were same brand hp pavilions not same model but same motherboard. If you can rule out harddrive and all other hardware from being a problem on a pavilion odds are its just the motherbaord controller. Also haveing bad ports might mess up os and you may need to do a recovery as was the case with the first computer i installed it in.

2 out of 2 people found this review helpful. Did you? Yes No

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Rosewill > 
Item#: N82E16816132032
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