When ordering memory, do the modules need to be installed as multiples of 4?

It will run with any number of modules, even with 1. It will use interleaving and run faster with 2 or 3 modules (fastest with 4). However, you need to have both CPUs installed in order to use all 24 slots, with just 1 CPU you are limited to 12 slots.

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SUPERMICRO SYS-6027R-3RF4+ 2U Rackmount Server Barebone Dual LGA 2011 Intel C606 DDR3 1600/1333/1066/800

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Dual LGA 2011
Support Dual Intel Xeon E5-2600 and E5-2600 v2 family (up to 130W TDP)
24 x 240Pin Memory Slots (Max 1.5TB)
Support 2 x SATA 600 and 4 x SATA 300 HDD
740W (1+1) Redundant PSU

This item is covered under the Manufacturer Only Return Policy.

Overview

Specs

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SUPERMICRO SYS-6027R-3RF4+ 2U Rackmount Server Barebone

Features

Dual socket R (LGA 2011) supports Intel® Xeon® processor E5-2600 and E5-2600 v2 family†
Up to 1.5TB ECC DDR3, up to 1866MHz; 24x DIMM slots
4x PCI-E 3.0 x16 (low-profile) 1x PCI-E 3.0 x8 (low-profile) 1x PCI-E 3.0 x4 (in x8)
Intel® i350 GbE Controller; 4x ports
8x 3.5" Hot-swap SAS/SATA HDD Bays
740W Redundant Power Supplies Platinum Level (94%)

Specifications

Product SKUs
SYS-6027R-3RF4+	SuperServer 6027R-3RF4+ (Black)
Motherboard
Motherboard	Super X9DR3-LN4F+
Processor/Cache
CPU	Dual Socket R (LGA 2011) Intel® Xeon® processor E5-2600 and E5-2600 v2 family† (up to 130W TDP)
Note	† BIOS version 3.0 or above is required
Cache	Up to 30MB
System Bus	QPI up to 8 GT/s
System Memory
Memory Capacity	24x 240-pin DDR3 DIMM slots Up to 1.5TB DDR3 ECC LRDIMM Up to 768GB DDR3 ECC Registered memory (RDIMM) Up to 128GB DDR3 ECC Un-Buffered memory (UDIMM)
Memory Type	1866/1600/1333/1066/800MHz ECC DDR3 SDRAM 72-bit, 240-pin gold-plated DIMMs
DIMM Sizes	32GB, 16GB, 8GB, 4GB, 2GB, 1GB
Memory Voltage	1.5 V, 1.35 V
Error Detection	Corrects single-bit errors Detects double-bit errors (using ECC memory)
On-Board Devices
SATA	Via Cable for SATA controller SATA 2.0 3Gbps with RAID 0, 1, 5, 10 SATA 3.0 6Gbps with RAID 0, 1, 5, 10
Network Controllers	Intel® i350 Quad Port Gigabit Ethernet Virtual Machine Device Queues reduce I/O overhead Supports 10BASE-T, 100BASE-TX, and 1000BASE-T, RJ45 output 1x Realtek RTL8201N PHY (dedicated IPMI)
Chipset	Intel® C606 Chipset
Graphics	Matrox G200eW
SAS	SAS from C606 RAID 0, 1, 10 support
IPMI	Support for Intelligent Platform Management Interface v.2.0 IPMI 2.0 with virtual media over LAN and KVM-over-LAN support Nuvoton WPCM450 BMC
Input / Output
Serial ATA	2x SATA 3.0 ports (6Gbps) 4x SATA 2.0 ports (3Gbps)
LAN	4x RJ45 Gigabit Ethernet LAN ports 1x RJ45 Dedicated IPMI LAN port
USB	2x Front USB 2.0 + 4x Rear USB 2.0 ports MB: 4x rear + 4x via header + 1x Type A
SAS	8x SAS ports
VGA	1x VGA port
Serial Port / Header	1x Fast UART 16550 port / 1 Header
System BIOS
BIOS Type	128Mb SPI Flash EEPROM with AMI BIOS
BIOS Features	Plug and Play (PnP) APM 1.2 PCI 2.2 ACPI 1.0 / 2.0 USB Keyboard support SMBIOS 2.3 UEFI

Whats in the Box

Designed for optimal performance, the dual-processor SuperServers support the QPI (8.0GT/s) format Xeon processor E5-2600 family in a high-density 2U form-factor. These SuperServers are ideal for network infrastructure, front-end enterprise, and minimal-downtime cluster server systems.

CPU Type	Dual Intel Xeon processor E5-2600 and E5-2600 v2 family (up to 130W TDP)
CPU Socket	Dual LGA 2011
Installed CPU	No CPU Installed
Max Processors	2

Memory Slots	24 x 240Pin
Installed Memory Size	No Memory Installed
Max Memory Supported	Up to 1.5TB DDR3 ECC LRDIMM Up to 768GB DDR3 ECC Registered memory (RDIMM) Up to 128GB DDR3 ECC Un-Buffered memory (UDIMM)
Memory Type Supported	DDR3 1600/1333/1066/800
ECC Supported	Yes
Registered	Yes

Installed HDD	No Storage Installed
Serial ATA	4 x SATA 300 + 2 SATA 600
SATA RAID	SATA 2.0 3Gbps with RAID 0, 1, 5, 10 SATA 3.0 6Gbps with RAID 0, 1, 5, 10
SAS	8 x SAS ports RAID 0, 1, 10 support

First LAN	Intel I350
Max. LAN Speed	Quad 1 Gigabit

Dimensions	25.5" x 17.2" x 3.5"
Weight	69.0 lbs.

SUPERMICRO SYS-6027R-3RF4+ 2U Rackmount Server Barebone Dual LGA 2011 Intel C606 DDR3 1600/1333/1066/800

SUPERMICRO SYS-6027R-3RF4+ 2U Rackmount Server Barebone

Features

Specifications

Whats in the Box

Learn more about the Supermicro SYS-6027R-3RF4+

Customer Reviews of the Supermicro SYS-6027R-3RF4+

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

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Manufacturer Contact Info

COM	1
VGA	1
Rear USB	4
RJ45	4 x RJ45 Gigabit Ethernet LAN ports 1 x RJ45 Dedicated IPMI LAN port

General
Brand	SUPERMICRO
Model	SYS-6027R-3RF4+
Form Factor	2U Rackmount

Item#: N82E16816101693

SUPERMICRO SYS-6027R-3RF4+ 2U Rackmount Server Barebone Dual LGA 2011 Intel C606 DDR3 1600/1333/1066/800

SUPERMICRO SYS-6027R-3RF4+ 2U Rackmount Server Barebone

Features

Specifications

Whats in the Box

Learn more about the Supermicro SYS-6027R-3RF4+

Customer Reviews of the Supermicro SYS-6027R-3RF4+

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info