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Motherboards with 1 PCIe x16 Slot

All motherboards

4 motherboards with 1 PCIe x16 Slot from ASRock, MSI, GIGABYTE and more. Prices run $609 to $788.

All filtersFilters (2)×
Memory slots: 8  ×PCIe x16 slots: 1  ×Clear all
BrandSupermicro4
SocketLGA41893LGA20111
Form factorATX2
Memory typeDDR44
Memory slots43221284162121
Maximum memory2TB3512GB1
PCIe x16 slots14
SATA ports103
Wired LAN1G2
ECC memory supportECC memory support4
ChipsetIntel C621A3
PriceUnder $7002Under $8001$75 & above3$100 & above3$200 & above3$600 & above3
Clear allShow 4 motherboards
Memory slots: 8  ×PCIe x16 slots: 1  ×4 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
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 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
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
LGA4189ATXDDR4819.1$609.00
as of 11/04/2026 07:10 PST - Details
LGA4189ATXDDR4819.2No current price

Before you buy

Other PCIe x16 slots options

PC Cases264CPU Coolers393Processors247Data Center GPUs82Graphics Cards371Power Supplies237Memory374Storage Drives577Binoculars228Network Cables1,382Cameras2,556Chromebooks196

Popular filters

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Motherboards by use

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Related product types

Motherboards with 2 PCIe x16 Slots17Motherboards with 4 PCIe x16 Slots9

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