Genuine OEM enterprise drives · Fast US shipping · POs welcome
+1 (551) 421-5162|For businessTrack orderFAQContact
US IT Hardware - Reliable Enterprise Solutions
AccountCart (0)
Hard Drives
SSDs
Server RAM
NetworkingGPUs
Servers & JBODs
DealsGuides
Blog

Stay in the loop

Enterprise hardware deals, lead-time updates, and procurement tips.

Genuine OEM parts
Warranty backed
Fast US shipping
US IT Hardware - Reliable Enterprise Solutions

Genuine enterprise server hard drives and SSDs, sourced by exact manufacturer part number.

FacebookInstagramYouTube
Shop by brand
  • HPE
  • Dell
  • Seagate
  • Western Digital
  • IBM
  • Toshiba
  • Samsung
  • Micron
Shop by category
  • Storage Devices
  • Networking
  • Memory & RAM
  • Processors
  • Motherboards
  • Power Equipment
  • PC & Servers
  • Cables
Customer services
  • Government IT procurement
  • Part number identification
  • Track an order
  • Start a return
  • Shipping & returns
  • Return policy
  • RMA process
  • Warranty policy
  • Product certifications
Company
  • About US IT Hardware
  • For business & government
  • Guides & buying advice
  • Contact us
  • FAQ
Contact
  • 120 Stryker Lane STE 402, Hillsborough Township, NJ 08844
  • +1 (551) 421-5162
  • Sales: [email protected]
  • Claims & RMA: [email protected]
  • Support: [email protected]
  • Mon-Fri, 9am-5pm
Popular collectionsView all collections →
Recertified hard drivesEnterprise SAS drivesEnterprise SATA drivesEnterprise SSDsNVMe enterprise SSDs15K RPM SAS drives10K RPM SAS drives7200 RPM SATA drivesSeagate ExosWD UltrastarDell SSDsHP hard drives600GB SAS drives900GB SAS drives1.2TB SAS drives3.84TB SSDs2.5-inch SFF drives3.5-inch LFF drivesEnterprise hard drives

© 2026 US IT Hardware, a trading name of Mountech Cables LLC. All rights reserved. Manufacturer names and part numbers are used for identification only.

TermsPrivacy·Secure checkout · Visa · Mastercard · Amex · PO terms
  1. Home
  2. All parts
  3. QSFP40LR4ST
StarTech

StarTech 40Gb/s 40GBase-LR4 SMF QSFP+ Transceiver

MPN: QSFP40LR4ST·By: StarTech

Part #:QSFP40LR4STNewIn stock

Ships from the US.

$280.00
Qty
QSFP40LR4ST - StarTech 40Gb/s 40GBase-LR4 SMF QSFP+ Transceiver-
$280.00

Order by 1:00 PM CST for overnight shipping

Buying in volume or need a PO?

Have a target price for QSFP40LR4ST? Call +1 (551) 421-5162 or request a bulk quote and our sales team will reply within one business day.

Have questions?

Talk to our customer service team.

PhoneEmail

Product overview

StarTech Msa Compliant 40 Gigabit Fiber QSFP+ Transceiver Module

  • Expedited and overnight shipping options are available at checkout, priced by destination and service.
  • Purchase orders accepted from qualified institutions.
  • Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Manufacturer part #QSFP40LR4ST
BrandStarTech
ConditionNew
QoSYes
OS PlatformPC
Product TypeTransceiver
Connector TypeLC
Fiber Optic ModeSingle-mode
Ethernet Standard40 Gigabit Ethernet
Compliance StandardsRoHS, WEEE, CE
Expansion Slots DetailsQSFP+
Cable Standard Fiber/Twisted Pair1310 nm

Interfaces & ports

Maximum Data Transfer Rate40 Gb/s
Maximum Distance Supported10 km

Physical characteristics

Form FactorConnector

Details

Shipping, warranty & returns

Customer reviews

No reviews yet — be the first to review this part.

Write a review

Free ground shipping over $100

Secure SSL checkout. Visa, Mastercard, Amex and Discover accepted. ACH / wire available for businesses.

Buy with confidence

New, certified-refreshed and OEM stock with guaranteed compatibility, backed by warranty on every part.

Business account benefits
  • Net payment terms
  • Dedicated account rep
  • Warehousing & scheduled releases
  • Stock testing reports
Set up your business account →
Govt, federal & edu procurement

We process quotes, POs, stock documentation and compliance invoicing.

[email protected]
$280.00
Qty
QSFP40LR4ST - StarTech 40Gb/s 40GBase-LR4 SMF QSFP+ Transceiver-
$280.00
Related products

You might also want to check out these products.

  • NewP42553-001 - HP
    HPP42553-001

    HPE P42553-001 64Gb SFP56 Short Wave Transceiver

    SFP56
    Get a quoteShop →
  • NewFTL8528P2BNV-H2 - Finisar
    FinisarFTL8528P2BNV-H2

    FTL8528P2BNV-H2 - Finisar 8Gb Shortwave B-Series Fc Transceiver

    Get a quoteShop →
  • RefurbishedQ28-128GFC-SW4 - Dell
    DellQ28-128GFC-SW4

    Dell Q28-128GFC-SW4 128Gb Fibre Channel QSFP28 transceiver

    QSFP28
    $275.00Shop →
  • NewFTLF8524P2P2BNV - Finisar
    FinisarFTLF8524P2P2BNV

    FTLF8524P2P2BNV - Finisar 4Gbps Short Wave Sff Transceiver Module

    Get a quoteShop →
  • NewEM212-LP3TA-MT - Emulex
    EmulexEM212-LP3TA-MT

    EM212-LP3TA-MT - Emulex 1Gb/s 1000Base-SX Transceiver

    Connector
    Get a quoteShop →
  • NewGP-10GSFP-1S-MFGR2 - Force10
    Force10GP-10GSFP-1S-MFGR2

    GP-10GSFP-1S-MFGR2 - Force10 Networks 10GBase-SR SFP+ Transceiver

    Connector
    Get a quoteShop →
  • NewEM212-LP3TA-MB - Emulex
    EmulexEM212-LP3TA-MB

    EM212-LP3TA-MB - Emulex 1Gb/s 1000Base-SX Multi-mode Fibre 850nm 550m LC Connector SFP Transceiver Module

    Connector
    Get a quoteShop →
  • NewAXM762 - Netgear
    NetgearAXM762

    AXM762 - NetGear 10Gbps 10GBase-LR SFP+ 1310nm 10km Transceiver Module

    Get a quoteShop →