{"id":121688,"date":"2026-09-09T04:25:02","date_gmt":"2026-09-09T04:25:02","guid":{"rendered":"https:\/\/geektechsol.com\/index.php\/product\/j4858a-hp-procurve-x121-1gbps-1000base-sx-sfp-module\/"},"modified":"2026-09-09T04:25:02","modified_gmt":"2026-09-09T04:25:02","slug":"j4858a-hp-procurve-x121-1gbps-1000base-sx-sfp-module","status":"publish","type":"product","link":"http:\/\/geektechsol.com\/index.php\/product\/j4858a-hp-procurve-x121-1gbps-1000base-sx-sfp-module\/","title":{"rendered":"J4858A HP ProCurve X121 1Gbps 1000Base-SX SFP Module"},"content":{"rendered":"<p>J4858A Technical Specifications<\/p>\n<p>HP ProCurve X121 1Gbps 1000Base-SX Multi-mode Fiber 550m 850nm Duplex LC Connector SFP (mini-GBIC) Transceiver Module<\/p>\n<p>General Information<\/p>\n<p>Manufacturer Part Number: J4858A<\/p>\n<p>Brand Name: HPE<\/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 LC Port 1000Base-SX<\/p>\n<p>Media &#038; Performance<\/p>\n<p>Media Type: Supported Optical Fiber<\/p>\n<p>Ethernet Technology: Gigabit Ethernet<\/p>\n<p>Network Technology: 1000Base-SX<\/p>\n","protected":false},"excerpt":{"rendered":"<p>J4858A Overview<\/p>\n<p>HPE ProCurve Compatible 1000BASE-SX SFP Transceiver Module (MMF, 850nm, 550m, LC, DOM)<\/p>\n<p>HPE ProCurve compatible SFP transceiver supports up to 550m link lengths over multi-mode fiber (MMF) using a wavelength of 850nm via an LC connector. Each SFP transceiver module is individually tested to be used on a series of HPE switches, routers, servers, network interface card (NICs) etc.<\/p>\n<p>Featuring low power consumption, the hot swappable 1G SFP transceiver is ideal for Internet Service Provider (ISP) Gigabit Ethernet communication links, Enterprise LAN &#038; SAN Networks, Data Center LAN &#038; SAN Networks and other optical links.<\/p>\n","protected":false},"featured_media":121689,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false},"product_brand":[302],"product_cat":[460,288],"product_tag":[419,729,464,293,466,412,296],"class_list":["post-121688","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-procurve","product_tag-hp-transceiver","product_tag-lc-duplex-connector","product_tag-mini-gbic-transceivers","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>J4858A HP ProCurve X121 1Gbps 1000Base-SX 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=\"http:\/\/geektechsol.com\/index.php\/product\/j4858a-hp-procurve-x121-1gbps-1000base-sx-sfp-module\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"J4858A HP ProCurve X121 1Gbps 1000Base-SX SFP Module - Geek Tech Sol\" \/>\n<meta property=\"og:description\" content=\"J4858A Overview HPE ProCurve Compatible 1000BASE-SX SFP Transceiver Module (MMF, 850nm, 550m, LC, DOM) HPE ProCurve compatible SFP transceiver supports up to 550m link lengths over multi-mode fiber (MMF) using a wavelength of 850nm via an LC connector. Each SFP transceiver module is individually tested to be used on a series of HPE switches, routers, servers, network interface card (NICs) etc. Featuring low power consumption, the hot swappable 1G SFP transceiver is ideal for Internet Service Provider (ISP) Gigabit Ethernet communication links, Enterprise LAN &amp; SAN Networks, Data Center LAN &amp; SAN Networks and other optical links.\" \/>\n<meta property=\"og:url\" content=\"http:\/\/geektechsol.com\/index.php\/product\/j4858a-hp-procurve-x121-1gbps-1000base-sx-sfp-module\/\" \/>\n<meta property=\"og:site_name\" content=\"Geek Tech Sol\" \/>\n<meta property=\"og:image\" content=\"http:\/\/geektechsol.com\/wp-content\/uploads\/2026\/09\/Hp-J4858A.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/j4858a-hp-procurve-x121-1gbps-1000base-sx-sfp-module\\\/\",\"url\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/j4858a-hp-procurve-x121-1gbps-1000base-sx-sfp-module\\\/\",\"name\":\"J4858A HP ProCurve X121 1Gbps 1000Base-SX SFP Module - Geek Tech Sol\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/j4858a-hp-procurve-x121-1gbps-1000base-sx-sfp-module\\\/#primaryimage\"},\"image\":{\"@id\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/j4858a-hp-procurve-x121-1gbps-1000base-sx-sfp-module\\\/#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Hp-J4858A.jpg\",\"datePublished\":\"2026-09-09T04:25:02+00:00\",\"breadcrumb\":{\"@id\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/j4858a-hp-procurve-x121-1gbps-1000base-sx-sfp-module\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/j4858a-hp-procurve-x121-1gbps-1000base-sx-sfp-module\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/j4858a-hp-procurve-x121-1gbps-1000base-sx-sfp-module\\\/#primaryimage\",\"url\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Hp-J4858A.jpg\",\"contentUrl\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Hp-J4858A.jpg\",\"width\":800,\"height\":800},{\"@type\":\"BreadcrumbList\",\"@id\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/j4858a-hp-procurve-x121-1gbps-1000base-sx-sfp-module\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"http:\\\/\\\/geektechsol.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/shop\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"J4858A HP ProCurve X121 1Gbps 1000Base-SX SFP Module\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/geektechsol.com\\\/#website\",\"url\":\"https:\\\/\\\/geektechsol.com\\\/\",\"name\":\"Geek Tech Sol\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/geektechsol.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"J4858A HP ProCurve X121 1Gbps 1000Base-SX SFP Module - Geek Tech Sol","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"http:\/\/geektechsol.com\/index.php\/product\/j4858a-hp-procurve-x121-1gbps-1000base-sx-sfp-module\/","og_locale":"en_US","og_type":"article","og_title":"J4858A HP ProCurve X121 1Gbps 1000Base-SX SFP Module - Geek Tech Sol","og_description":"J4858A Overview HPE ProCurve Compatible 1000BASE-SX SFP Transceiver Module (MMF, 850nm, 550m, LC, DOM) HPE ProCurve compatible SFP transceiver supports up to 550m link lengths over multi-mode fiber (MMF) using a wavelength of 850nm via an LC connector. 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