TRENDnet TPE-2840WS V1.0R

Specifications

 * Processor: Marvell 98DX3055 Multi-Layer Managed
 * Switch Controller w/ Embedded ARM v5 @500MHz


 * Co-processor: STMicro STM32F100C8 ARM Cortex-M3 to manage PoE
 * Flash/RAM: 16MB (SPI NOR) Flash, 128MB RAM (DDR2)
 * LAN: 4x Gigabit (RJ45) 802.3at PoE Ethernet ports,
 * 20x Gigabit (RJ45) 802.3af PoE Ethernet ports,
 * 4x GbE SFP slots,
 * 56Gbps switching capacity, Rack mountable (1U, 19")


 * PoE: 802.3af (PoE), 802.3at (PoE+), 185W PoE budget

Pictures
Retail Images