Switching Mainboard

Assembly

Green Printed Circuit Board and Components.JPG · Commons ↗ Report photo

Sixteen-layer mainboard carrying the switching ASIC, control CPU, packet buffer, and forwarding tables.

Direct parts	10
Total parts	1,220
Used in	1 assembly
Class	Assembly

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Sixteen-layer mainboard carrying the switching ASIC, control CPU, packet buffer, and forwarding tables. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Switching Mainboard parts and their functions

10 top-level parts · 1,220 parts in total · full bill of materials below

Switching Mainboard parts diagram: 1 bare PCB, 2 compute SoC module, 3 control-plane CPU, 4 DDR4 ECC DRAM, 5 boot flash, 6 packet buffer memory, 7 TCAM, 8 voltage regulator module, 9 ASIC heatsink, 10 SMD passive (R/C/L). 1,220 parts in 10 top-level items. — Switching Mainboard parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Bare PCB	1×	16-layer low-loss mainboard PCB
2	Compute SoC Module	1×	Switching ASIC (packet fabric)
3	Control-Plane CPU	1×	Control-plane CPU
4	DDR4 ECC DRAM	4×	DDR4 ECC control-plane DRAM
5	Boot Flash	1×	NOR/eMMC boot and firmware
6	Packet Buffer Memory	1×	On-die / HBM packet buffer
7	TCAM	2×	Forwarding and ACL TCAM
8	Voltage Regulator Module	8×	Multi-phase ASIC core VRMs
9	ASIC Heatsink	1×	Vapor-chamber ASIC heatsink
10	SMD Passive (R/C/L)	1200×	Decoupling, bias, and termination

3D model

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Build & assembly graph

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Bill of materials for Switching Mainboard

10 top-level lines · 10 rows shown · 1,220 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Bare PCB	pcb-bare	1×	1	·	part
2	Compute SoC Module	soc-module	1×	1	·	part
3	Control-Plane CPU	dcs-control-cpu	1×	1	·	part
4	DDR4 ECC DRAM	dcs-ddr-dram	4×	4	·	part
5	Boot Flash	dcs-boot-flash	1×	1	·	part
6	Packet Buffer Memory	dcs-packet-buffer	1×	1	·	part
7	TCAM	dcs-tcam	2×	2	·	part
8	Voltage Regulator Module	dcs-vrm	8×	8	·	part
9	ASIC Heatsink	dcs-asic-heatsink	1×	1	·	part
10	SMD Passive (R/C/L)	smd-passives	1200×	1,200	·	part

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Where the switching mainboard is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Networking & Telecom 1 Data Center Switch (Spine)

Used in 1 assembly

Data Center Switch (Spine)

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $1–$200. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳JLCPCB jlcpcb.com ↗	Shenzhen, CN	PCB fabrication	100 pcs	2–4 wks
🇨🇳PCBWay pcbway.com ↗	Shenzhen, CN	PCB fab & assembly	100 pcs	2–4 wks
🇨🇳Shennan Circuits scc.com.cn ↗	Shenzhen, CN	PCB manufacturer	100 pcs	2–4 wks
🇮🇳Shogini Technoarts shogini.com ↗	Mumbai, IN	PCB manufacturer	100 pcs	2–4 wks
🇸🇬Venture Corp venture.com.sg ↗	Singapore	Electronics contract mfg	100 pcs	2–4 wks