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HPE J9021A 2810-24G 24 Ports Gigabit Ethernet Switch View larger

HPE J9021A 2810-24G 24-Port Gigabit Managed Ethernet Switch

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24‑port Gigabit managed Layer‑2 switch

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  • Refurbished

Detailed Specifications

HPE J9021A ProCurve 2810‑24G Managed Gigabit Switch

Overview

The HPE J9021A is a 1U rack‑mountable managed Layer-2 Ethernet switch providing 24 Gigabit RJ‑45 ports, plus 4 dual‑personality ports that can be used as either RJ‑45 or mini‑GBIC (SFP). It’s designed for small to medium business networks, offering VLANs, link aggregation, and quality‑of‑service capabilities. The switch is stackable with other 2810 series units to increase port capacity and integrates into standard rack deployments with efficient power use.

Key Features

  • 20 auto-sensing Gigabit RJ‑45 ports + 4 dual‑personality (RJ‑45 / SFP)

  • Layer‑2 switching with support for VLANs (IEEE 802.1Q)

  • Link aggregation support (LACP and ProCurve trunking)

  • Auto-MDIX on all copper ports

  • Dual flash images for redundancy during firmware upgrades

Technical Specifications

SpecificationDetails
BrandHPE
Part NumberJ9021A
Product TypeManaged Ethernet Switch
Model / SeriesProCurve 2810‑24G
RJ‑45 Ports20 × 10/100/1000Base‑T
Dual‑Personality Ports4 × either 10/100/1000Base‑T or SFP mini‑GBIC
Switching Capacity48 Gbps
ThroughputUp to ~35.7 million pps (64‑byte packets)
MAC Address Table Size8,000 entries
Packet Buffer0.75 MB
ProcessorMIPS 264 MHz
Memory64 MB SDRAM, 16 MB Flash
Latency< 5.6 µs (64‑byte FIFO)
ManagementWeb GUI, CLI, SNMP, RMON
VLAN SupportIEEE 802.1Q (up to 256 VLANs)
LACP / TrunkingIEEE 802.3ad, ProCurve trunking
Spanning TreeIEEE 802.1s Multiple Spanning Tree
Jumbo FramesUp to 9,216‑byte frames
Power100–240 VAC, internal power supply, typical 60 W
Dimensions17.4 × 12.7 × 1.7 in
Weight~7.21 lb
Operating Temp0 °C to 45 °C
CertificationsUL / IEC 60950, FCC Class A, CISPR 22 Class A

  • All packages are shipped same day if the order is placed before 3PM CST

    We use UPS/FedEx to ship the packages with different service levels offered by UPS/FedEx

    Overnight Shipping take 1 business day
    Expedited Shipping take about 2-3 business days
    Ground shipping take about 3-5 business days

    You can select the desired service level at Checkout and we will make sure the package is shipped as per the selected service level.

  • We Accept

    i) PayPal
    ii) All Credit & Debit Cards
    iii) Purchase Orders
    iv) Check
    v) Bank Transfer/ACH/Wire Transfer

    To process the order through Paypal/CC, you can simply checkout and process the payment.

    If you want to issue us Purchase Order/Check/Bank Transfer, Please contact us at the following details

    Call: 469.458.9636
    Email: sales@dcsupplies.net

  • If you have any queries, please contact us at the following details and we will be happy to help

    Call
    469.458.9636
    469.458.9638

    Email
    sales@dcsupplies.net

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