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Full-length PCIe card with four M.2 slots, copper heatsink and fan

GIGABYTE

GIGABYTE GC-4XM2G4 PCIe 4.0 M.2 expansion card

SKU CH-A3M6-5D7R5 MPN GC-4XM2G4

Adds four PCIe 4.0 M.2 slots with copper heatsink and fan cooling, plus one-click RAID 0, 1 and 10 via included software

  • External connectorsExtended to 4 x M.2 Internal Connectors (Socket 3, M Key, Ty
  • Internal portsPCI Express x16, Compatible with PCI Express x16 and x8 Slot
  • Supported standardsPCIe 4.0
  • Product typePCI Express to M.2 Card
  • Compatible withPCI Express x16 M.2 (Socket 3, M key, type 2242/2260/2280/22
  • DetailsLED: 4 x M.2 activity LEDs
  • Add four PCIe 4.0 SSDs via a single x16 slot
  • Full PCIe 4.0 bandwidth on every M.2 connector
  • 5 mm copper heatsink with dual-ball fan cools both SSD sides
  • One-click RAID 0, 1 or 10 setup in AORUS Storage Manager
  • Choose three fan profiles to match thermal needs

Four M.2 slots on PCIe 4.0

The GIGYBYTE GC-4XM2G4 is a PCIe 4.0 x16 add-in card that adds four M-key M.2 slots for 2242, 2260, 2280 and 22110 SSDs. It includes a copper heatsink, thermal pads and a 5 cm double-ball bearing fan to cool both sides of installed drives. AORUS Storage Manager software enables RAID 0, 1 and 10 with a single click.

Fits x16 or x8 slots with a catch

Install the card in a PCIe x16 slot to use all four M.2 connectors at full speed. In a PCIe x8 slot only the first two M.2 slots function, so builders with limited lane availability lose half the capacity. The card requires active cooling clearance for the onboard fan and heatsink assembly.

PCIe 4.0 x16 host interface decides throughput

The card connects through a PCIe 4.0 x16 edge connector, delivering up to 15000 MB/s aggregate bandwidth with four Gen4 SSDs in RAID 0. If the motherboard supplies only PCIe 3.0 x16 or x8 electrical links, maximum throughput drops proportionally and RAID performance scales down.

How it compares

Measured against everything we stock in PCIe Expansion Cards, at today’s prices. Recalculated every night.

Price $119.99
Pricier than about 87% of the 891 comparable items (median $30.99).

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Specifications

Product
Brand nameGIGABYTE
Product lineAORUS Gen4 AIC Adaptor
Model nameGC-4XM2G4
Product typePCI Express to M.2 Card
Connectivity
Supported standardsPCIe 4.0
Ports & slots
External connectorsExtended to 4 x M.2 Internal Connectors (Socket 3, M Key, Type 2242/2260/2280/22110 PCIe x4 SSD Support)
Support for RAID 0, RAID 1, and RAID 10*
* Supported RAID levels vary by platform.
Internal portsPCI Express x16, Compatible with PCI Express x16 and x8 Slots
(If the adpater card is installed in a x8 slot, only the M2_1 and M2_2 connectors can be used.)
Size & build
Product dimensions10.31 in × 4.53 in
Shipping weight0.93 kg
Package size302 × 224 × 66 mm
Compatibility
Compatible withPCI Express x16
M.2 (Socket 3, M key, type 2242/2260/2280/22110 PCIe x4 SSD support)

Questions about this item

What PCIe slot size and lane width does the GC-4XM2G4 require?

It needs a PCI Express x16 slot; in an x8 slot only the M2_1 and M2_2 connectors are usable.

How do you install the card and what step is often missed?

Insert the card into a PCIe x16 slot, secure it with the bracket screw, install up to four M.2 SSDs into the keyed M slots, then connect the fan power cable so active cooling works.

What maintenance will the cooling system need later?

The dual-ball bearing fan and thermal pads should be checked periodically for dust build-up and pad degradation to keep both sides of the SSDs cool.

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