For Gigabyte MD72-HB3 MD72-HB2 Server Motherboard Intel C621A 2 X1Gb/s LAN 2 X10Gb/s BASE-T LAN 6xPCIe Gen4x16

For Gigabyte MD72-HB3 MD72-HB2 Server Motherboard Intel C621A 2 X1Gb/s LAN 2 X10Gb/s BASE-T LAN 6xPCIe Gen4x16

Here’s a detailed comparison table for the GIGA MD72-HB3 and MD72-HB2 motherboards:

Feature	GIGA MD72-HB3	GIGA MD72-HB2
Form Factor	E-ATX (305×277mm)	ATX (305×244mm)
Socket	LGA 4677 (Socket E)	LGA 4677 (Socket E)
Chipset	Intel C741	Intel C741
CPU Support	4th Gen Xeon Scalable	4th Gen Xeon Scalable
Memory Support	8× DDR5 RDIMM (Up to 5600MHz)	8× DDR5 RDIMM (Up to 4800MHz)
PCIe Slots	5× PCIe 5.0 x16	4× PCIe 5.0 x16
M.2 Slots	3× M.2 (PCIe 4.0 x4)	2× M.2 (PCIe 4.0 x4)
Storage	12× SATA III + 4× U.2	8× SATA III + 2× U.2
Network Controllers	Dual 25G LAN + 100G OCP 3.0	Dual 10G LAN + 25G OCP 3.0
Remote Management	GIGA Management Engine Pro	GIGA Management Engine Lite
Power Connectors	Dual 24-pin + 4× 8-pin EPS	Dual 24-pin + 2× 8-pin EPS
Cooling	Active VRM + Chipset cooling	Passive VRM cooling
TDP Support	Up to 350W	Up to 300W
RAID Support	Hardware RAID 0/1/5/10	Software RAID 0/1/10
Price Range	$1,200-$1,800	$800-$1,200

1. GIGA MD72-HB3 (Premium Enterprise Platform)

For Mission-Critical Workloads & AI Infrastructure

Key Specifications:

• Form Factor: E-ATX (305×277mm)
• Socket: LGA 4677 (4th Gen Intel Xeon Scalable)
• Memory: 8× DDR5 RDIMM (Up to 5600MHz, 2TB max)
• Expansion: 5× PCIe 5.0 x16 slots
• Storage:
  • 3× M.2 PCIe 4.0 x4
  • 12× SATA III + 4× U.2 bays
• Networking: Dual 25G LAN + 100G OCP 3.0 mezzanine
• Power: Industrial-grade 24+4×8-pin EPS (350W TDP support)
• Management: GIGA Management Engine Pro with IPMI 2.0
• Cooling: Active VRM/chipset cooling with smart fan control

Premium Features:
✔ Hardware RAID 0/1/5/10 support
✔ Dual BMC for high-availability systems
✔ TPM 2.0 + Secure Boot
✔ Front-accessible USB 3.2 Gen 2×2 diagnostic port

Best For:

• AI/ML training clusters
• High-frequency trading systems
• Enterprise storage solutions (SAN/NAS)
• Cloud service provider infrastructure

Price Range: $1,500-$2,000

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2. GIGA MD72-HB2 (Mainstream Server Solution)

Balanced Performance for Virtualization & Storage

Key Specifications:

• Form Factor: ATX (305×244mm)
• Socket: LGA 4677 (4th Gen Intel Xeon Scalable)
• Memory: 8× DDR5 RDIMM (Up to 4800MHz, 2TB max)
• Expansion: 4× PCIe 5.0 x16 slots
• Storage:
  • 2× M.2 PCIe 4.0 x4
  • 8× SATA III + 2× U.2 bays
• Networking: Dual 10G LAN + 25G OCP 3.0 option
• Power: Standard 24+2×8-pin EPS (300W TDP support)
• Management: GIGA Management Engine Lite

Value Features:
✔ Software RAID 0/1/10 support
✔ Single BMC with basic remote management
✔ Trusted Platform Module 1.2
✔ Rear diagnostic LEDs

Best For:

• Virtualization hosts (VMware/Hyper-V)
• Mid-range database servers
• Video surveillance storage
• Private cloud deployments

Price Range: $900-$1,300