QSFP28 100G SR4 optic price tracker

As of Nov 5, 2026, QSFP28 100G SR4 optic on eBay: used listings start at $30.00 (median $59.67); new from $28.80; refurb from $215.

Is $28.80 a good Black Friday price for the QSFP28 100G SR4 optic? Across the 12 days we checked since Oct 24, its lowest eBay listing was $25.64 and the median listing was $83.92. Today's low is 12% above that low. Black Friday check →

QSFP28 100G SR4 optic

See the cheapest QSFP28 100G SR4 optic on eBay (new) — $28.80 →New from $28.80Used from $30.00 Far below the other listings: check the seller, photos and condition before buying.

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Lowest now$28.80
Typical (median)$79.00
7 days▲ 3.1%
30 days—
Live listings143

Buy or wait? Fair price: today's low is within 2% of its 18-day average.

Cheapest QSFP28 100G SR4 optic listings right now

ListingConditionPrice + ship
FS QSFP28-SR4-100G 850nm 100m Cisco Compatible Optical Transceiver LAST ONE Buy It Now offers New $28.80 View on eBay
ERICSSON Avago AFBR-89CDDZ-ER1 100Gb-SR4 QSFP28 100G SR MPO Transceiver Module Buy It Now offers New $28.99 free ship View on eBay
ProLabs QSFP-100G-SR4-C 100G QSFP28 850nm 100m MPO Transceiver FREE SHIPPING 🚚 Buy It Now offers Used $30.00 free ship View on eBay
Dell Technologies Q28-100G-SR4-G2 QSFP28 100G SR4 Transceiver Buy It Now New $30.00 free ship View on eBay
Precision PRE-QSFP28-SR4-ARST | QSFP28 SR4 ARST 100G 850nm Transceiver Buy It Now offers Used $30.73 View on eBay
New Dell QSFP28-100G-ESR4 0YKMH7 Buy It Now New $31.19 View on eBay
FS QSFP28-SR4-100G Buy It Now Used $31.29 sale: was $24.99, −10% View on eBay
10Gtek QSFP28-100G-SR4 100GBASE-SR4 QSFP28 Optical Transceiver Module Buy It Now Used $31.60 View on eBay
Finisar FTLC9558REPM 100G SR4 850nm Parallel MPO-12 QSFP28 Transceiver Buy It Now offers Used $31.63 View on eBay
FS 100GBASE-SR4 QSFP28 850nm 100m 100Gbps MMF Transceiver Module QSFP-SR4-100G Buy It Now offers Used $31.99 sale: was $39.99, −20% free ship View on eBay
2x Luma Optics QSFP-100G-SR4-LU QSFP28-SR4 850nm 100m Transceiver Module Buy It Now Used $33.90 View on eBay
Arista QSFP-100G-SR4 100GbE QSFP28 Optical Transceiver Module P/N: XVR-10067-20 Buy It Now Used $33.99 sale: was $36.92, −8% free ship View on eBay
Gigamon 100G Base QSFP28 SR4 850NM Q28-502 TR-FC85S-NGM Buy It Now Used $34.00 free ship View on eBay
Dell Technologies Q28-100G-SR4-G2 QSFP28 100G SR4 Transceiver Buy It Now offers Open box $34.38 View on eBay
FS QSFP28-SR4-100G 100G QSFP28 SR4 Transceiver Module Refurbished Buy It Now Used $34.65 View on eBay
NEW Sealed Dell 04WGYD 100G QSFP28 SR4 Q28-100G-SR4-85C FTLC9555REPM3-E5 Buy It Now offers New $34.99 free ship View on eBay
NEW Dell 014NV5 100G QSFP28 SR4 Transceiver Q28-100G-SR4-G2 Buy It Now offers New $34.99 free ship View on eBay
Cisco QSFP-100G-SR4-S 100GBASE SR4 QSFP Transceiver Module Buy It Now offers Used $35.00 free ship View on eBay
ProLine QSFP-100G-SR4-S-PRO 100GBASE-SR4 QSFP28 850nm MTP/MPO-12 MMF Transceiver Buy It Now offers Used $36.95 free ship View on eBay
Juniper 740-061405 JNP-QSFP-100G-SR4 100G Transceiver Module Buy It Now offers Used $37.56 View on eBay
FS QSFP28-SR4-100G DE, Optical Transceiver Module Buy It Now offers Used $39.00 free ship View on eBay
ENTAGON QSFP28-SR4-JNP 100G 850NM 100M MMF DOM Optical Transceiver Buy It Now offers Used $39.00 free ship View on eBay
HPE X150 100G QSFP28 MPO SR4 100M MM XCVR TRANSCEIVER JL274A Buy It Now offers Used $39.00 free ship View on eBay
FS QSFP28-SR4-100G 100GBASE-SR4 QSFP28 850nm 100m DOM MTP/MPO-12 MMF Transceiver Buy It Now Used $39.39 sale: was $41.26, −39% View on eBay
Infinera TOM-100G-Q-SR4 100G QSFP28 Transceiver Module 130-0334-002 Buy It Now offers Used $39.99 free ship View on eBay
Dell EMC 14NV5 Q28-100G-SR4-G2 100GbE QSFP28 850nm MPO Optical Transceiver Buy It Now offers New $39.99 free ship View on eBay
FS 100G SR4 TRANSCEIVER MODULES QSFP28 OPTICAL NETWORK DATA TRANSMISSION 100 Buy It Now offers New $40.00 free ship View on eBay
Arista XVR10067-20 QSFP-100G-SR4 QSFP28 100m MMF 850nm MPO Transceiver Buy It Now offers Used $40.36 sale: was $44.95, −25% View on eBay
NEW OPSTRAN QSFP28-100G-SR4 850nm 100m Buy It Now New $40.50 free ship View on eBay
4x FS QSFP28-SR4-100G 100G QSFP28 850nm 100m Optical Transceiver Module / USED Buy It Now offers Used $40.80 sale: was $41.26, −22% View on eBay

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Where today's prices sit

61 listings $29–$6314 listings $63–$985 listings $98–$13314 listings $133–$16814 listings $168–$2027 listings $202–$2372 listings $237–$2727 listings $272–$3060 listings $306–$3411 listing $341–$3762 listings $376–$4101 listing $410–$445$29$445+

143 live listings by price (item + shipping). The highlighted bar is the cheapest band.

Price history

$105$242026-10-192026-11-05

typical asking price lowest asking price

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Market read

Of 143 Buy It Now listings, 78 used (from $30.00), 64 new (from $28.80), 1 refurb (from $215). 74% ship free; the rest add $6.84 shipping at the median. The middle half of asking prices runs $47.00 to $200, so anything under $47.00 is in the cheapest quarter. Lowest we have recorded since 2026-10-19: $25.64 on 2026-10-29; today's cheapest is 12% above that.

Asking prices of US eBay listings including shipping, as of 2026-11-05 (checked twice a day); we earn a commission on purchases through these links; parts, broken units and accessories are filtered out. How we price.

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