{"id":121514,"date":"2026-09-09T04:21:16","date_gmt":"2026-09-09T04:21:16","guid":{"rendered":"https:\/\/geektechsol.com\/index.php\/product\/378928-b21-hp-cisco-1gbps-1000base-t-100m-rj-45-sfp-module\/"},"modified":"2026-09-09T04:21:22","modified_gmt":"2026-09-09T04:21:22","slug":"378928-b21-hp-cisco-1gbps-1000base-t-100m-rj-45-sfp-module","status":"publish","type":"product","link":"http:\/\/geektechsol.com\/index.php\/product\/378928-b21-hp-cisco-1gbps-1000base-t-100m-rj-45-sfp-module\/","title":{"rendered":"378928-B21 HP Cisco 1Gbps 1000Base-T 100m RJ-45 SFP Module"},"content":{"rendered":"<p>378928-B21 Technical Specifications<\/p>\n<p>HP Cisco 1Gbps 1000Base-T Copper 100m RJ-45 Connector SFP Transceiver Module<\/p>\n<p>General Information<\/p>\n<p>Brand Name HPE<\/p>\n<p>HP Transceiver<\/p>\n<p>Ethernet Technology: Gigabit Ethernet<\/p>\n<p>Product Type SFP (mini-GBIC)<\/p>\n<p>Technical Information<\/p>\n<p>Application\/Usage Data Networking<\/p>\n<p>Interfaces\/Ports<\/p>\n<p>Interfaces\/Ports Details 1 x RJ-45 10\/100\/1000Base-T<\/p>\n<p>Media &#038; Performance<\/p>\n<p>Media Type Supported Twisted Pair<\/p>\n<p>Ethernet Technology Gigabit Ethernet<\/p>\n<p>Network Technology 10\/100\/1000Base-T<\/p>\n","protected":false},"excerpt":{"rendered":"<p>378928-B21 Overview<\/p>\n<p>This HP 378928-B21 compatible SFP transceiver provides 10\/100\/1000Base-TX throughput up to 100m over a copper connection via a RJ-45 connector. This TX module supports 10\/100\/1000Base auto-negotiation and can be configured to fit your needs. It is guaranteed to be 100% compatible with the equivalent HP transceiver. This easy to install, hot swappable transceiver has been programmed, uniquely serialized and data-traffic and application tested to ensure that it will initialize and perform identically. It is built to meet or exceed the specifications of HP, as well as to comply with MSA (Multi-Source Agreement) standards to ensure seamless network integration. This transceiver is Trade Agreements Act (TAA) compliant. We stand behind the quality of our products and proudly offer a limited lifetime warranty.<\/p>\n","protected":false},"featured_media":121515,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false},"product_brand":[302],"product_cat":[460,288],"product_tag":[419,464,466,340,412,296],"class_list":["post-121514","product","type-product","status-publish","has-post-thumbnail","product_brand-hpe-hewlett-packard","product_cat-hpe-transceivers","product_cat-transceivers","product_tag-gigabit-ethernet-transceiver","product_tag-hp-transceiver","product_tag-mini-gbic-transceivers","product_tag-rj-45-connector","product_tag-sfp-transceiver","product_tag-transceiver","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>378928-B21 HP Cisco 1Gbps 1000Base-T 100m RJ-45 SFP Module - Geek Tech Sol<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/geektechsol.com\/index.php\/product\/378928-b21-hp-cisco-1gbps-1000base-t-100m-rj-45-sfp-module\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"378928-B21 HP Cisco 1Gbps 1000Base-T 100m RJ-45 SFP Module - Geek Tech Sol\" \/>\n<meta property=\"og:description\" content=\"378928-B21 Overview This HP 378928-B21 compatible SFP transceiver provides 10\/100\/1000Base-TX throughput up to 100m over a copper connection via a RJ-45 connector. This TX module supports 10\/100\/1000Base auto-negotiation and can be configured to fit your needs. It is guaranteed to be 100% compatible with the equivalent HP transceiver. This easy to install, hot swappable transceiver has been programmed, uniquely serialized and data-traffic and application tested to ensure that it will initialize and perform identically. It is built to meet or exceed the specifications of HP, as well as to comply with MSA (Multi-Source Agreement) standards to ensure seamless network integration. This transceiver is Trade Agreements Act (TAA) compliant. 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This TX module supports 10\/100\/1000Base auto-negotiation and can be configured to fit your needs. It is guaranteed to be 100% compatible with the equivalent HP transceiver. This easy to install, hot swappable transceiver has been programmed, uniquely serialized and data-traffic and application tested to ensure that it will initialize and perform identically. It is built to meet or exceed the specifications of HP, as well as to comply with MSA (Multi-Source Agreement) standards to ensure seamless network integration. This transceiver is Trade Agreements Act (TAA) compliant. 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