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. JD121A
HPE

HPE Hewlett Packard Enterprise JD121A 10G XFP LC ER transceiver

MPN: JD121A·By: HPE

Part #:JD121ANewIn stock

Ships from the US.

$1,402.00
Qty
HPE Hewlett Packard Enterprise JD121A 10G XFP LC ER transceiver-
$1,402.00

Order by 1:00 PM CST for overnight shipping

Buying in volume or need a PO?

Have a target price for JD121A? 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

The Hewlett Packard Enterprise HPE X135 10G XFP LC ER Transceiver JD121A is positioned in the 10G XFP optical transceiver category, supporting 10GBASE-ER 1550nm SMF 40km LC environments. It is designed as an ER class transceiver within the 10G XFP form factor, making it suitable for optical links classified under this standard. As part of the 10GBASE-ER 1550nm SMF 40km LC segment, it aligns with deployments that utilize single mode fiber and LC connectivity over extended reach, where ER optics are specified. The model designation clearly identifies it as an HPE X135 10G XFP LC ER Transceiver, enabling straightforward cataloging and comparison within HPE-centric infrastructures. While detailed performance metrics, port characteristics, and power consumption figures are not listed here, the defined category and model naming provide a clear indication of its intended role as a 10G XFP optical transceiver option in enterprise networks.

  • HPE X135 10G XFP LC ER Transceiver model
  • 10G XFP optical transceiver category
  • Classified as 10GBASE-ER 1550nm SMF 40km LC
  • Designed for LC based single mode fiber setups
  • Branded Hewlett Packard Enterprise for HPE networks
  • Identified by SKU JD121A for precise procurement
  • 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 #JD121A
BrandHPE
ConditionNew
ModelX135 10G XFP LC ER
Data Rate10 Gbps
Cable TypeSingle-mode fiber (SMF)
Wavelength1550 nm
Form FactorXFP
Product LineHPE X135
Product Type10G XFP transceiver module
Optical Reach40 km over SMF
Receiver TypePIN photodiode
Laser Wavelength1550 nm
Transmitter TypeEML laser
Maximum Data Rate11.1 Gbps
Compatibility BrandHPE; Aruba
Fiber Core Diameter9/125 µm
Fiber Mode SupportedSingle-mode fiber
Maximum Cable Distance40 km

Networking Ports & Interfaces

Ports1 x LC 10GBASE-ER network port
InterfaceXFP
Connector TypeLC duplex
Optical Interface Standard10GBASE-ER

Best for

  • 10GBASE-ER 1550nm SMF 40km links

    Suitable for networks that require 10GBASE-ER connectivity over 1550nm single mode fiber with support for up to 40km LC-based links, as defined by its category.

  • 10G XFP optical transceiver deployments

    Intended for environments standardizing on 10G XFP optical transceivers, aligning with the 10G XFP Optical Transceiver category designation.

  • LC terminated single mode fiber runs

    Fits use cases where LC-terminated single mode fiber is used, as indicated by the 10GBASE-ER 1550nm SMF 40km LC category classification.

  • Extended reach 10G optical segments

    Appropriate for extended reach 10G optical segments where ER-class optics and 10G XFP form factor are required, as identified in the product category.

  • HPE-centric optical infrastructures

    Useful in infrastructures that rely on Hewlett Packard Enterprise branded modules, with the JD121A HPE X135 10G XFP LC ER Transceiver clearly identified by model and SKU.

Frequently asked questions

What type of transceiver is the HPE JD121A module?

The JD121A is described as the HPE X135 10G XFP LC ER Transceiver, placing it in the 10G XFP optical transceiver category. This means it is an optical module intended for use in 10G XFP slots where 10GBASE-ER 1550nm SMF 40km LC links are planned, according to its category description.

How is the JD121A transceiver categorized for network design?

The JD121A is categorized under Transceivers, 10G XFP Optical Transceiver, 10GBASE-ER 1550nm SMF 40km LC. This classification indicates it belongs to the 10G XFP form factor family and is aligned with 10GBASE-ER optics that use 1550nm single mode fiber and LC connectivity, suitable for extended reach deployments defined in this category.

Which brand and identifiers should be used when ordering JD121A?

When ordering this module, it should be referenced as Hewlett Packard Enterprise HPE X135 10G XFP LC ER Transceiver with SKU JD121A. Using the full brand, model name, and SKU helps procurement teams ensure that they receive the exact transceiver variant intended for 10G XFP and 10GBASE-ER 1550nm SMF 40km LC deployments.

Is the JD121A suitable for environments using LC terminated single mode fiber?

Yes, the product is placed in the 10GBASE-ER 1550nm SMF 40km LC category, indicating it is intended for single mode fiber deployments using LC connectivity in accordance with this classification. This makes it suitable for designs that standardize on LC-terminated single mode fiber for 10GBASE-ER type links within the defined category.

How does the JD121A fit into a transceiver portfolio for 10G networks?

Within a 10G transceiver portfolio, the JD121A serves as an HPE-branded HPE X135 10G XFP LC ER Transceiver categorized under 10G XFP Optical Transceiver and 10GBASE-ER 1550nm SMF 40km LC. This positions it as a 10G XFP option for extended reach, single mode, LC-based links where ER-class optics are specified in the design.

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]
$1,402.00
Qty
HPE Hewlett Packard Enterprise JD121A 10G XFP LC ER transceiver-
$1,402.00
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 →
  • NewQ28-128GFC-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 →