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672042152391
Supermicro A1SAI-2550F-O | Intel Atom C2550/ DDR3/ SATA3/USB3.0/ V/4GbE/ Mini-ITX System Board (Motherboard) / CPU Combo
672042152391

Supermicro A1SAI-2550F-O | Intel Atom C2550/ DDR3/ SATA3/USB3.0/ V/4GbE/ Mini-ITX System Board (Motherboard) / CPU Combo

4.6(149 ratings)

Best price now

$238.00at AmazonChecked 1 h ago

50% under what the other stores charge

Compared across 11 stores. Prices are checked against each store and labelled with when. As an Amazon Associate, Deal.ai earns from qualifying purchases.

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Price facts

  • Lowest price today: $238.00 at Amazon (checked Nov 11, 2026).
  • Checked at 11 stores.

Our take on the Supermicro A1SAI-2550F-O | Intel Atom C2550/ DDR3/ SATA3/USB3.0/ V/4GbE/ Mini-ITX System Board (Motherboard) / CPU Combo

The Supermicro A1SAI-2550F-O is a Mini-ITX server board with an Intel Atom C2550 quad-core processor soldered on, so no separate CPU or cooler is needed. It takes up to 64GB of DDR3 ECC SODIMM memory, has four Gigabit Ethernet ports, two SATA3 ports and USB 3.0, and runs on a small DC power input instead of a full ATX supply. It suits home labs, firewall and router builds, NAS boxes and small office servers that need low power and many network ports. Against consumer Mini-ITX boards it gives up expandability and speed but wins on quiet operation, low heat and built-in quad networking.

Best forHome lab and virtualization serverspfSense or OPNsense firewall buildsSmall NAS and backup boxesLow-power always-on office servers
Pros
  • Quad-core Atom C2550 and board in one, no CPU to buy
  • Four Gigabit Ethernet ports on a Mini-ITX board
  • ECC DDR3 SODIMM support up to 64GB
  • Fanless-capable, low heat and low power draw
  • Two SATA3 ports and USB 3.0 for a small server
Cons
  • DDR3 memory only, not DDR4
  • Only two SATA ports, tight for larger NAS builds
  • Atom C2550 is slow for heavy transcoding or compute
  • Single PCIe slot limits add-in cards
  • Needs a DC power adapter, not a standard ATX supply

Supermicro A1SAI-2550F-O | Intel Atom C2550/ DDR3/ SATA3/USB3.0/ V/4GbE/ Mini-ITX System Board (Motherboard) / CPU Combo prices at every store

  • Compu DevicesNew

    In stock

    $367.95Free shippingChecked 1 h ago
    Visit Compu Devices
  • serverblink.comNew

    In stock

    $480.00+ $10.00 shippingChecked 1 h ago
    Visit serverblink.com
  • New Town SparesNew

    In stock

    $547.65Free shippingChecked 1 h ago
    Visit New Town Spares
  • GotodirectNew

    In stock

    $571.31Checked 1 h ago
    Visit Gotodirect
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $238.00Free shippingChecked 1 h ago
    Visit Amazon
  • eSaitechNew

    Availability unknown

    $317.00Checked 1 h ago
    Visit eSaitech
  • Wiredzone.comNew

    Availability unknown

    $345.50Checked 1 h ago
    Visit Wiredzone.com
  • anafrashop.comNew

    Availability unknown

    $448.00Checked 1 h ago
    Visit anafrashop.com
  • ETechBuy.comNew

    Availability unknown

    $533.20Checked 1 h ago
    Visit ETechBuy.com
  • ctspoint.comNew

    Availability unknown

    $765.10Checked 1 h ago
    Visit ctspoint.com
  • eBayNew

    Availability unknownSold by khldd-2020

    $1,320.60Checked 1 h ago
    Visit eBay

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Supermicro A1SAI-2550F-O | Intel Atom C2550/ DDR3/ SATA3/USB3.0/ V/4GbE/ Mini-ITX System Board (Motherboard) / CPU Combo price history

Lowest price we've seen: $238.00 on Nov 11 at Amazon. Tracked across 10 stores since Nov 11.

What reviewers say

  • 4.6 / 5149 ratings

Owners rate it highly as a stable, quiet platform for firewalls and home labs. Most praise the four NICs and ECC support at this size; complaints center on the limited SATA count and the older DDR3 platform.

What people mention
  • NetworkingPraisedOwners like the four Gigabit ports for firewall and router duty without an add-in card.
  • StabilityPraisedReviewers report long uptimes running hypervisors and pfSense.
  • Power and heatPraisedThe board runs cool and can be cooled passively in a small case.
  • SATA portsCriticisedTwo SATA3 ports are seen as too few for multi-drive NAS builds.
  • MemoryMixedECC support is welcome, but DDR3 SODIMMs are older and costlier to find.
  • PerformanceMixedFine for routing and light VMs, but the C2550 is slow for transcoding or heavy compute.

About the Supermicro A1SAI-2550F-O | Intel Atom C2550/ DDR3/ SATA3/USB3.0/ V/4GbE/ Mini-ITX System Board (Motherboard) / CPU Combo

The Supermicro A1SAI-2550F-O is a Mini-ITX system board that comes with an Intel Atom C2550 processor. The board and CPU are supplied together as a combo.

Model
A1SAI-2550F-O
Processor
Intel Atom C2550
Memory
DDR3
Storage
SATA3
USB
USB 3.0
Networking
4 Gigabit Ethernet (4GbE)
Form factor
Mini-ITX

Questions and answers

Does it come with the CPU installed?
Yes. The Intel Atom C2550 is soldered to the board, so there is no separate CPU or cooler to buy.
What memory does it take?
DDR3 ECC SODIMMs, up to 64GB across the slots. Non-ECC may work but ECC is the point of this board.
How many drives can I connect?
Two SATA3 ports on board. For more drives you need an add-in controller in the single PCIe slot.
What power supply does it need?
A DC power adapter through the on-board jack, not a standard ATX supply. Check the required voltage and wattage before buying.
Is it good for a pfSense firewall?
Yes. The four Gigabit NICs and low power draw make it a common choice for pfSense and OPNsense builds.
Can it run Proxmox or ESXi?
Yes, owners run both. Keep in mind the C2550 limits how many busy virtual machines it can host.
Where is the Supermicro A1SAI-2550F-O | Intel Atom C2550/ DDR3/ SATA3/USB3.0/ V/4GbE/ Mini-ITX System Board (Motherboard) / CPU Combo cheapest?
At Amazon, for $238.00, 50% under what the other stores charge, as of our latest check.
What do buyers say about the Supermicro A1SAI-2550F-O | Intel Atom C2550/ DDR3/ SATA3/USB3.0/ V/4GbE/ Mini-ITX System Board (Motherboard) / CPU Combo?
Rated 4.6 out of 5 from 149 ratings.
Where can I buy the Supermicro A1SAI-2550F-O | Intel Atom C2550/ DDR3/ SATA3/USB3.0/ V/4GbE/ Mini-ITX System Board (Motherboard) / CPU Combo?
11 stores we checked sell it, including Gotodirect, Amazon, eSaitech, Wiredzone.com, Compu Devices.