MICROSCRAPPINGE-waste field guide
Boards · Tier C

Enterprise Switches, Line Cards & Optics

Pull every transceiver before the box moves — the thirty grams of optics in the front panel are frequently worth more than the entire rest of the switch at scrap, and they take ninety seconds to remove.

Au 0.15–0.6 g per large line card ≈ 0.075 g/lbCu ~70 g/lbBase chassis backplane
eBay typical$3–200per lb
Refiner pays$5.5per lb
Metal in it$10.5per lb at 4 Aug 2026 spot
Confidencemedof the yield figures

How to spot it

Line cards are 30–45 cm with a front port bank, ejector levers at both ends and a dense two-row gold-pin backplane connector at the rear; supervisors carry a console port, a CF/USB slot and the largest heatsink. Optics: SFP (one bail latch, LC duplex or RJ45), SFP+/SFP28, QSFP+/QSFP28 (wider, MPO or four-lane LC), each laser-etched with a Cisco or Juniper part number and a side barcode. Price the model number on the pull-tab before deciding anything.

Metal content

MetalQuantityNotes
Gold0.15–0.6 g per large line card ≈ 0.075 g/lbBackplane pins, ENIG surfaces, BGA balls and gold-lidded ceramic ASICs on older generations. Estimated, no published assay
Copper~70 g/lbPlus 0.2–1 kg in a fixed switch's PSU transformer and heatsinks
Base metalchassis backplaneThe gold-richest single board in the box, and routinely thrown away with the frame

At 4 Aug 2026 spot prices that works out to $10.5 per pound of contained metal — Gold 0.075 g = $9.79, Copper 70 g = $0.75. A refiner paying $5.5 returns about 52% of that, which is normal: refining costs money and the buyer takes a margin.

Safe removal

Working temperature: No heat; mechanical strip only

Optics come out by squeezing the bail or pulling the tab — never yank the fibre. Line cards: loosen the captive screws then operate both ejector levers simultaneously, because a card removed one-lever-first can crack at the connector. For scrap, strip boards from the chassis with a T15/T20 and 7 mm hex, cut the backplane free, and keep PSU copper and aluminium heatsinks separate.

Hazards

🔆 Invisible laser radiation

NEVER look into a fibre end, a transceiver port or a patch panel port.

🔥 Lithium battery fire

A standard ABC extinguisher will NOT stop a runaway lithium cell. Don't count on one.

⚡ Stored high voltage

NEVER short a large capacitor with a screwdriver. It welds the tip, blasts molten metal at your face, and can rupture the can.

💣 Electrolytic capacitor rupture

Don't heat a capacitor directly with hot air at close range.

Before you scrap it

The decision rule is generational and the cliff is sharp — anything still on a vendor support matrix resells at 20–100× scrap, anything past End-of-Support collapses to near-scrap. Check the EoL/EoS date first; that one lookup decides it. Complete units with both PSUs, fan trays and rails sell 2–3× a bare chassis, and tested-with-a-boot-log adds 30–50%. Harvest in order: optics, PSUs and fan trays, supervisors and line cards, memory, then scrap the frame.

The common trap

Cisco = gold-loaded. True of the Catalyst 5000/6000 era; modern gear is RoHS lead-free with thin ENIG or immersion tin, denser ICs and far less gold per pound — a 2020s Nexus card is not meaningfully richer than a good server board. The expensive trap is scrapping current-generation gear at $4/lb: a Catalyst 9300-48P weighs ~11 lb, scraps for ~$35 and resells for $700–2,500. Also, a large fraction of secondary-market Cisco SFPs are recoded third-party parts.

Questions

How much gold is in enterprise switches, line cards & optics?

Gold: 0.15–0.6 g per large line card ≈ 0.075 g/lb. Copper: ~70 g/lb. At current spot that is about $10.5 of contained metal per pound.

How do you identify enterprise switches, line cards & optics?

Pull every transceiver before the box moves — the thirty grams of optics in the front panel are frequently worth more than the entire rest of the switch at scrap, and they take ninety seconds to remove.

How do you remove enterprise switches, line cards & optics safely?

Optics come out by squeezing the bail or pulling the tab — never yank the fibre. Line cards: loosen the captive screws then operate both ejector levers simultaneously, because a card removed one-lever-first can crack at the connector. For scrap, strip boards from the chassis with a T15/T20 and 7 mm hex, cut the backplane free, and keep PSU copper and aluminium heatsinks separate.

Is enterprise switches, line cards & optics worth more working than as scrap?

The decision rule is generational and the cliff is sharp — anything still on a vendor support matrix resells at 20–100× scrap, anything past End-of-Support collapses to near-scrap. Check the EoL/EoS date first; that one lookup decides it. Complete units with both PSUs, fan trays and rails sell 2–3× a bare chassis, and tested-with-a-boot-log adds 30–50%. Harvest in order: optics, PSUs and fan trays, supervisors and line cards, memory, then scrap the frame.

Related in Boards

Cell phone boards Boards · $25–40/lb Au 0.09–0.50 g/lbAg 0.23–1.26 g/lbPd 0.025–0.07 g/lbCu 12–56% A Telecom / military boards Boards · $11–35/lb Au 0.3–4 g/lbAg 1–8 g/lbPd 0.02–0.3 g/lbCu 15–25% A Telecom backplanes Boards · $10–18/lb Au 1–3 g/lb wholeAg 0.5–2 g/lbCu 20–30% A Laptop motherboards Boards · $10–18/lb Au 0.20–0.50 g/lbAg 1–3 g/lbPd 0.02–0.08 g/lbCu 15–25% B Server motherboards Boards · $9–16/lb Au 0.05–0.3 g/lbAg 1–3 g/lbPd 0.02–0.10 g/lbCu 15–25% B Wire-wrap / pin boards Boards · $20–35/lb Au 0.6–1.5 g/lbAg 0.5–2 g/lbCu 20–30% B

Get this offline → The full guide runs in your browser with no signal, and you can add your own photos.