PRIME B550-PLUS AC-HES
PRIME B550-PLUS AC-HES PRIME B550-PLUS AC-HES AMD B550 (Ryzen AM4) ATX motherboard, Advanced AI PC ready, dual M.2, PCIe 4.0, WIFI 5, 1 Gb Ethernet, DisplayPort/HDMI, SATA 6 Gbps, USB 3.2 Gen 2 Type-C®, front USB 3.2 Gen 1 Type-C®, Aura Sync ARGB headers, FAN Xpert 2+, Armoury Crate, and 5X PROTECTION III.
Model Name(P/N) CPU Memory Graphics Expansion Slots Storage
PRIME B550-PLUS AC-HES (90MB1AB0-MVAAY0)CPU:AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors;Memory:Memory Channels:4DDR4 (Dual channel)|Max Memory Size:128GB|

4866(OC)/4800(OC)/4600(OC)/4466(OC)/4400(OC)/4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866(OC)/3733(OC)/3600(OC)/3466(OC)/3400(OC)/3333(OC)/3200/3000/2933/2800/2666/2400/2133 MHz, Un-buffered Memory*

Dual Channel Memory Architecture

*ECC memory (ECC mode) support varies by CPU.
*Refer to www.stzgcm.com for the Memory QVL (Qualified Vendors Lists), and memory frequency support depends on the CPU types.
;		Graphics:1 x DisplayPort 1.2|*Graphics specifications may vary between CPU types.;Expansion Slots:1 x PCIe 4.0 x16 + 1 x PCIe 3.0 x16 (max. x4) + 3 x PCIe 3.0 x16 (x1)|

AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors

1 x PCIe 4.0 x16 slot (supports x16 mode) 
AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors

1 x PCIe 3.0 x16 slot (supports x16 mode)
AMD B550 Chipset
1 x PCIe 3.0 x16 slot (supports x4 mode)* 
3 x PCIe 3.0 x16 slots (support x1 mode)* 
*PCIE 3.0 X16_4 will run x1 mode when any of the PCIE 3.0 x16_2/3/5 slots is occupied. 
**Support PCIe bifurcation for RAID on CPU function.
;		Storage:Supports 2 x M.2 slots and 6 x SATA 6Gb/s ports|

AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors

M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 & SATA modes)

AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors
M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes) 
AMD B550 Chipset 
M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes) 
6 x SATA 6Gb/s ports 
Support RAID 0, 1, 10 
*M.2_2 shares bandwidth with SATA6G_56. When M.2_2 is populated, SATA6G_56 will be disabled.
;		 Buy
Model Name(P/N)
PRIME B550-PLUS AC-HES (90MB1AB0-MVAAY0)
CPU
CPU:AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors;
Memory
Memory:Memory Channels:4DDR4 (Dual channel)|Max Memory Size:128GB|

4866(OC)/4800(OC)/4600(OC)/4466(OC)/4400(OC)/4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866(OC)/3733(OC)/3600(OC)/3466(OC)/3400(OC)/3333(OC)/3200/3000/2933/2800/2666/2400/2133 MHz, Un-buffered Memory*

Dual Channel Memory Architecture

*ECC memory (ECC mode) support varies by CPU.
*Refer to www.stzgcm.com for the Memory QVL (Qualified Vendors Lists), and memory frequency support depends on the CPU types.
;
Graphics
Graphics:1 x DisplayPort 1.2|*Graphics specifications may vary between CPU types.;
Expansion Slots
Expansion Slots:1 x PCIe 4.0 x16 + 1 x PCIe 3.0 x16 (max. x4) + 3 x PCIe 3.0 x16 (x1)|

AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors

1 x PCIe 4.0 x16 slot (supports x16 mode) 
AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors

1 x PCIe 3.0 x16 slot (supports x16 mode)
AMD B550 Chipset
1 x PCIe 3.0 x16 slot (supports x4 mode)* 
3 x PCIe 3.0 x16 slots (support x1 mode)* 
*PCIE 3.0 X16_4 will run x1 mode when any of the PCIE 3.0 x16_2/3/5 slots is occupied. 
**Support PCIe bifurcation for RAID on CPU function.
;
Storage
Storage:Supports 2 x M.2 slots and 6 x SATA 6Gb/s ports|

AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors

M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 & SATA modes)

AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors
M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes) 
AMD B550 Chipset 
M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes) 
6 x SATA 6Gb/s ports 
Support RAID 0, 1, 10 
*M.2_2 shares bandwidth with SATA6G_56. When M.2_2 is populated, SATA6G_56 will be disabled.
;
Buy
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