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Motherboards with 1 PCIe x16 Slot

All motherboards

12 motherboards with 1 PCIe x16 Slot from ASRock, MSI, GIGABYTE and more. Most cost $355 to $748, and half cost less than $580.

Top brands: Supermicro (7)

ASUSSpec score 8.5

AM4, mATX, DDR4, 1 PCIe x16 slots

+Compact microATX form factor
+DDR4 memory with ECC support
+PCIe 4.0 support
−Single PCIe x16 slot limits graphics card expansion
$99.00-17%List: $119.99
as of 11/04/2026 12:09 PST - Details
ASRock RackSpec score 8.9

LGA1700, mATX, DDR5, 4 Memory slots

+Supports ECC memory for error correction
+10G LAN for high-speed networking
+Micro-ATX form factor saves case space
−Single PCIe x16 slot limits graphics card options
$549.99
as of 11/04/2026 12:09 PST - Details
SupermicroSpec score 8.0

LGA1700, ITX, DDR5, 2 Memory slots

+Mini-ITX form factor for compact builds
+DDR5 memory support
+ECC memory support for error-correcting RAM
−Only two RAM slots
−Maximum memory capacity of 64 GB
$355.00
as of 11/04/2026 07:10 PST - Details
ASRock RackSpec score 8.6

LGA1718, mATX, DDR5, 4 Memory slots

+10G LAN for high-speed networking
+ECC memory support for error correction
+Four RAM slots for DDR5 memory
−Only one M.2 slot limits fast storage expansion
−Only one PCIe x16 slot
No current price. Check it at the store.
ASRock RackSpec score 8.6

LGA1851, mATX, DDR5, 4 Memory slots

+Supports ECC memory for error correction
+Micro-ATX form factor saves case space
+Four DDR5 memory slots
−Single socket limits processing power expansion
No current price. Check it at the store.
ASRock RackSpec score 8.0

LGA1718, mATX, DDR5, 4 Memory slots

+ECC memory support for error correction
+Four RAM slots for DDR5 memory
+Single socket for AMD Ryzen 7000 Series processors
−Only one M.2 slot limits fast storage expansion
No current price. Check it at the store.
SupermicroSpec score 9.3

LGA2011, DDR4, 16 Memory slots, 1TB

+10G LAN speed for fast networking
+Supports up to 1024 GB of RAM
+Sixteen RAM slots for large memory capacity
−Only one PCIe x16 slot
$748.44
as of 11/04/2026 00:23 PST - Details
SupermicroSpec score 8.8

LGA4189, DDR4, 8 Memory slots, 2TB

+Offers 10 SATA ports for multiple storage drives
+Includes ECC memory support for error-correcting RAM
+Includes 1G LAN networking for wired connectivity
−Uses a proprietary WIO form factor rather than standard ATX
$630.00
as of 11/04/2026 07:10 PST - Details
SupermicroSpec score 8.4

LGA2011, DDR4, 8 Memory slots, 512GB

+ECC memory support for error-checking RAM
+Ten SATA ports for many drives
+1G LAN speed
−Only one PCIe x16 slot
−Supports up to 512 GB of RAM
$788.44
as of 11/04/2026 00:23 PST - Details
SupermicroSpec score 8.2

LGA1366, 12 Memory slots, 96GB, 1 PCIe x16 slots

+Twelve RAM slots for multiple memory modules
+ECC memory support for error correction
+One PCIe x16 slot for a graphics or expansion card
−Supports only up to 96GB of memory
$532.00
as of 11/04/2026 07:10 PST - Details
SupermicroSpec score 9.1

LGA4189, ATX, DDR4, 8 Memory slots

+Includes ECC memory support for error-correcting RAM
+Standard ATX form factor fits common server chassis
+Single PCIe x16 slot for a full-length expansion card
$609.00
as of 11/04/2026 07:10 PST - Details
SupermicroSpec score 9.2

LGA4189, ATX, DDR4, 8 Memory slots

+Offers 10 SATA ports for multiple storage drives
+Includes ECC memory support for error-correcting RAM
+Single PCIe x16 slot for a full-length expansion card
No price recorded yet.

Compare specs

motherboardSocketForm factorMemory typeMemory slotsPCIe x16 slotsSpec scorePrice
AM4mATXDDR418.5$99.00
as of 11/04/2026 12:09 PST - Details
LGA1700mATXDDR5418.9$549.99
as of 11/04/2026 12:09 PST - Details
LGA1700ITXDDR5218.0$355.00
as of 11/04/2026 07:10 PST - Details
LGA1718mATXDDR5418.6No current price
LGA1851mATXDDR5418.6No current price
LGA1718mATXDDR5418.0No current price
LGA2011DDR41619.3$748.44
as of 11/04/2026 00:23 PST - Details
LGA4189DDR4818.8$630.00
as of 11/04/2026 07:10 PST - Details
LGA2011DDR4818.4$788.44
as of 11/04/2026 00:23 PST - Details
LGA13661218.2$532.00
as of 11/04/2026 07:10 PST - Details

Before you buy

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.