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Item#: N82E16813157419

ASRock C2550D4I Mini ITX Server Motherboard DDR3 1600 / 1333

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  • Intel Avoton C2550 Quad-Core Processor
  • DDR3 1600 / 1333 Dual-channel Max. 64GB
  • 2 x SATA3 6.0 Gbps, 4 x SATA2 3.0 Gbps by C2550

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews


ASRock C2550D4I Mini ITX Server Motherboard


ASRock Server Motherboard
  • Intel Avoton C2550 Quad-Core Processor
  • DDR3 1600/1333 Dual-channel Max. 64GB
  • 2 x SATA3 6.0Gbps, 4 x SATA2 3.0Gbps by C2550
  • 4 x SATA3 6.0Gbps by Marvell SE9230, 2 x SATA3 6.0Gbps by Marvell SE9172
  • Dual Intel i210 Gigabit LAN ports (with Teaming function)
  • 3 x USB 2.0 ports (2 rear ports + 1 via headers or 1 rear ports + 2 via headers controlled by USB_SEL1 and USB_SEL2 jumper)
  • 1 x PCI-E x8 slot


 MB Physical Status
Form Factor - Mini ITX
Dimensions - 6.7 x 6.7" (17.02 x 17.02cm)
 Processor System
CPU - Intel® Quad-Core Avoton C2550 Processor
Socket - FCBGA1283 SOC
 System Memory
Capacity - 4 x 240-pin DDR3 DIMM slots
- Support up to 64GB DDR3 ECC and UDIMM
Type - Dual Channel DDR3 memory technology
- Supports DDR3 1600/1333 ECC and UDIMM
Voltage - 1.5V, 1.35V
 Expansion Slots
PCIe 2.0 x 8 - 1 slot (x8 mode)
SATA Controller - Intel® C2550: 2 x SATA3 6.0Gbps, 4 x SATA2 3.0Gbps
Additional Storage Controller - Marvell SE9172: 2 x SATA3 6.0Gbps
- Marvell SE9230: 4 x SATA3 6.0Gbps
Interface - Gigabit LAN 10/100/1000Mbps
LAN Controller
  • 2 x Intel® i210
  • Supports Wake-On-LAN
  • Supports Energy Efficient Ethernet 802.3az
  • Supports Dual LAN with Teaming function
  • Supports PXE
BMC Controller - ASPEED AST2300: IPMI (Intelligent Platform Management Interface) 2.0 with iKVM support
IPMI Dedicated LAN - 1 x Realtek RTL8211E for dedicated management LAN
Features - Watch Dog
Controller - ASPEED AST2300
Output - Supports D-Sub with max. resolution up to 1920 x 1200 @ 60Hz
 Rear Panel I/O
VGA Port - D-sub x 1
USB 2.0 Port - 2
LAN Port - 2 x RJ45 Gigabit Ethernet LAN ports
- 1 x RJ45 Dedicated IPMI LAN port
Serial Port - 1 (COM1)
UID Button/UID LED - 1
 Internal Connector
Auxiliary Panel Header - 1 (include chassis intrusion, location button & LED, front LAN LED)
IPMB Header - 1
Fan Header - 6 x 4-pin
ATX Power - 1 (24-pin)
USB 2.0 Header - 1 (support 1 via headers or 2 via headers controlled by USB_SEL1 and USB_SEL2 jumper)
Front Panel - 1
 System BIOS
BIOS Type - 64Mb AMI UEFI Legal BIOS
BIOS Features
  • Plug and Play (PnP)
  • ACPI 1.1 Compliance Wake Up Events
  • SMBIOS 2.3.1 Support
  • DRAM Voltage Multi-adjustment
  • ASRock Instant Flash
 Hardware Monitor
Temperature - CPU Temperature Sensing
- Motherboard Temperature Sensing
Fan - CPU/Rear/Front Fan Tachometer
- CPU Quiet Fan (Allow CPU Fan Speed Auto-Adjust by CPU Temperature)
- CPU/Rear/Front Fan Multi-Speed Control
Voltage - Voltage Monitoring: +12V, +5V, +3.3V, CPU Vcore, DRAM, +1.1V,+1.0V, +BAT, 3VSB, 5VSB
 Supported Operating Systems
Microsoft Windows
  • Server 2008 R2 (x64)
  • Server 2012 (x64)
  • RedHat Enterprise Linux Server 5.5/6.4 (x32 and x64)
  • CentOS 5.5 / 6.4 (x32 and x64)
  • SUSE Enterprise Linux Server 11 SP1 (x32 and x64)
  • FreeBSD 9.1 (x32/x64)
  • Fedora core 18 (x64)
  • UBuntu 12.04/12.10 (x64)
  • VMWare ESXi 5.1 (Marvell SE9230 and Marvell SE9172 has no driver can support VMWare)
Temperature - Operating temperature: 41 - 95°F (10 - 35°C ) | Non-operating temperature: -40 - 158°F (-40 - 70°C)


ASRock Server Motherboard

Learn more about the ASRock Rack C2550D4I

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details

Customer Reviews of the ASRock Rack C2550D4I

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  • Larry M.
  • 1/23/2016 7:16:35 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsApparently dead after 10 months

Pros: FreeNas support, large memory capacity, small form factor, server quality (?)

Cons: It died. Past Newegg's return policy. I sent e-mail to ASRock today. We'll see.

Did you find this review helpful? Yes No

  • Anonymous
  • 1/12/2016 9:44:26 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsASRocking Power House that uses very little power

Pros: What can I say about this modo besides that it ROCKS!!! I caught it on a black friday deal with 32 gigs of Mushkin Enhanced Stealth Model 997069S and after racking my brain over the configuration (hint: set your memory timing and voltage for stability)have rock solid ESXI 6.0 server up and running with some tip on getting VMware to recognize the Marvell chipset from "VMware Front Experience".

Cons: Not buying two at the reduce price, I need to build a small lab.
Lacks USB 3 or Thunderbolt ports

Other Thoughts: Contrary to what the documentation says, this will run ESXi very well. Im currently running FreeNAS, Windows Server 2013, and a OS X client without even denting the performance. I wish I could only afford a VMware ESX license to enable xHCI (PCI passthrough) and management though vSphere.

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

  • Will T.
  • 12/15/2015 11:52:10 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsQuality product with top notch support, great for NAS

Pros: - compact board with lots to offer
- plentiful number of sata3 ports and a couple of sata2 ports
- great price (got it during black friday, $200 with rebate)
- top customer support (see story below)
- include 6 sata cables

Cons: none really

Other Thoughts: So I received the board and 4 of the 8 sata3 ports (on one of the marvell controllers) were not working. Contacted support and didn't get a response until about 2-3 days later (little slow). Ran me through about 4 steps of pulling watch battery, depleting all power from the board, and resetting the BIOS settings. The sata ports sprang back to life! I had initially changed some BIOS settings based on the setup I was going to run (outlined below) and made a mistake. Tried changing things back but I guess you have to pull the watch battery and drain all power from the board before the new settings would stick. Anyways it got fixed. Once I got an initial response from ASRock, replies were quick and the problem got solved quickly. The guy I used was called William and he said I could share his email address and if anyone else is having any problems, shoot him an email directly!

Board has been running fine and cool for about 3 weeks now. Time will tell how well it lasts but I'm optimistic!

-ASRock C2550D4I Mini ITX
- SilverStone DS380B case
- 2 x Kingston 8GB 240-Pin DDR3 SDRAM ECC Unbuffered
- 4 x 2TB Seagate 7,200RPM 2.5" drives
- FreeNAS (headless)

Did you find this review helpful? Yes No

  • Paul S.
  • 10/29/2015 10:00:51 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsThis is a great board

Pros: This is a great NAS motherboard. 4 RAM slots, ECC support,, 64 GB max memory, 12 SATA port , 8 SATA3, 4 SATA2. Remote access.

Cons: No real complaints. I wish it had USB3 and HDMI. They would be nice to have.

Other Thoughts: If you are looking for a low power, quiet, server grade motherboard to run your home built NAS you could not choose a better board. I am looking forward to a newer version with HDMI and USB3 at some point.

Did you find this review helpful? Yes No

  • Eugene L.
  • 10/29/2015 12:07:12 AM
  • Ownership: 1 day to 1 week

1 out of 5 eggsAnother DOA

Pros: It was delivered when it said it would be

Cons: Dead, no post codes to speak of, constant flashing green led. Nothing in the manual about it either.

Other Thoughts: High hopes but alas another miss! Seems to be the lottery with this board. You're either happy with it, Or quality assurance was asleep when this lot came through. Currently looking at competitors

Manufacturer Response:

Dear Eugene,

We sincerely apologize for any inconvenience this may have caused you.
Our technical inquiry record doesn’t show if Eugene has contacted us about this C2550D4I.
Dead as in No Power or No POST? There is a significant difference between these two behaviors.
POST code can only come from a POST debug digital display. As you may have noticed, such digital display is not integrated onto this board.
Flashing green LED; as printed on the board “BMC LED 1”, indicates BMC is active thus IPMI communication is ready.
Did you access the management web UI to check on the PSU status?
The C2550D4I is a SoC, the only foreign parts needed to at least get POST are PSU and memory. And it would have been more helpful if you mind to disclose the information of your PSU and memory product.
We do see many returns from Newegg which are later found to be in perfect condition

If you have any technical inquiry, please contact me with detail problem description at

Thank you

ASRock Rack Support

Did you find this review helpful? Yes No

  • Rajen W.
  • 10/19/2015 10:22:04 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGreat SOC Quad- Core Mobo!

Pros: SOC Quad Core Aveton processor
12 SATA Express ports!

Cons: none so far

Did you find this review helpful? Yes No

  • Casey F.
  • 9/30/2015 2:36:18 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsI like it

Pros: Feature-packed motherboard. With 12 SATA ports and 4 RAM slots, there's a lot of room to grow. I'm using this in a NAS and it seems perfectly designed for this use.

Cons: There are 3 different SATA3 controllers on the board, and each has its own quirks. Of the SATA3 ports, only the two Intel ports worked perfectly and were hot-swappable out of the box. I had to install a SATA controller firmware update (from ASRock Rack's website) and that got two of the Marvell SATA3 ports working and hot-swappable. The remaining 4 Marvell SATA3 ports work, but are not hot-swappable; the drives are only recognized after a reboot. Additionally, the various controllers list their drives in different ways in the BIOS, and that's a little confusing.

I haven't used any of the SATA2 ports.

Other Thoughts: Overall, I'm satisfied with this motherboard. I docked one star for one of the SATA3 controllers need a firmware update out of the box, as well as for the one SATA3 controller not supporting hot-swap.

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

  • PETER L.
  • 9/25/2015 8:42:38 AM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGreat little FreeNAS MoBo!

Pros: Favorite thing at the moment is having the IPMI remote web admin interface. Server lives in basement & I work up on main floor of house. Love not having to be up & down stairs multiple times to make adjustments that need the console. Or even just to cycle power. Every thing else is good so far as well, would not mind a little faster boot. The dual LAN makes it a good candidate for teaming the ports. Also would be a good fit for a pfSense FW as it works just fine with FreeBSD based FreeNAS 9.3. Like the large RAM capacity as well. If anything changes for the worse I will repost.

Cons: No real cons that I have encountered so far.

Did you find this review helpful? Yes No

  • Matthew C.
  • 7/20/2015 1:07:58 AM
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsLove it

Pros: Tons of SATA, low power consumption, pretty cheap for a server setup - considering what you'd ordinarily pay for a server mobo + CPU.

Cons: The IPMI does not work well at all - it uses a Java applet, and the pages use bunk certificates. I had to figure out how to manually install a certificate in Chrome just to make it usable. Partly this is from Chrome being paranoid, but the thing is really a nightmare to use.

Other Thoughts: People hate, but I think this thing is amazing.

Manufacturer Response:

Dear Valued ASRock Customer,

Thank you for purchase and review.
For the IPMI, the latest BMC firmware already has the signed Java certificate that most browsers accept.
But if you are prompted to accept installing a small Java applet, you need to accept it every time you launch the Console Redirection as each token is unique.
Please also keep your Java application up-to-date.

If you have any technical inquiry, please contact us with detail problem description at
We will assist you shortly.

Thank you

ASRock Rack Support

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

  • Ezra H.
  • 7/10/2015 1:08:39 AM
  • Ownership: 1 month to 1 year

5 out of 5 eggsLOVE this board!!!

Pros: IPMI rocks. Works extremely well with 6 drives running FreeNAS. Fast, silent, and low power.

Cons: High cost

Other Thoughts: I'd be willing to bet that most reporting problems are not using ECC unbuffered memory. This is a server board. You can't just throw any old ram in this thing.

Did you find this review helpful? Yes No

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Item#: N82E16813157419
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