Dell Vostro 2521 User Manual

6
Technical Specifications
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Table 9. System Information
Feature Description
Chipset Intel HM76
DRAM bus width 64 bits and 128 bits
Flash EPROM 6 MB
Table 10. Processor
Feature Description
Type
• Intel Celeron Dual Core ULV
• Intel Pentium Dual Core ULV
• Intel Core i3 ULV
• Intel Core i5 ULV
L1 cache 32 KB
L2 cache 256 KB
L3 cache up to 4 MB
Table 11. Memory
Feature Description
Memory connector two internally accessible DDR3/DDR3L connectors
Memory capacity 2 GB and 4 GB
Memory type 1600 MHz, dual channel DDR3 configuration
Minimum memory 2 GB, 4 GB, 6 GB, and 8 GB
Maximum memory 8 GB
Table 12. Audio
Feature Description
Type 2 channel high definition audio
Controller Realtek ALC3221
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Dell Vostro 2521 Specifications

General

Form factor	Clamshell
Product type	Laptop
Product color	Black, Silver
Market positioning	Business
Bus type	DMI
Stepping	P0
Tjunction	105 °C
Processor cache	2 MB
Processor cores	2
Processor model	2127U
System bus rate	5 GT/s
Processor family	Intel® Pentium®
Processor series	Intel Pentium 2000 series for Mobile
Processor socket	BGA 1023
Processor codename	Ivy Bridge
Processor frequency	1.9 GHz
Processor cache type	Smart Cache
Processor lithography	22 nm
Processor manufacturer	Intel
Processor front side bus	- MHz
PCI Express slots version	2.0
Processor operating modes	64-bit
ECC supported by processor	No
PCI Express configurations	1x16, 2x8, 1x8+2x4
Thermal Design Power (TDP)	17 W
Maximum number of PCI Express lanes	16
Motherboard chipset	Intel HM77 Express
Memory slots	2x SO-DIMM
Internal memory	2 GB
Memory clock speed	1600 MHz
Memory form factor	SO-DIMM
Internal memory type	DDR3-SDRAM
Maximum internal memory	8 GB
Memory layout (slots x size)	1 x 2 GB
LightScribe	-
AC adapter included	Yes
HDD size	2.5 \
HDD interface	SATA
Storage media	HDD
Optical drive type	DVD Super Multi
Total storage capacity	320 GB
Number of HDDs installed	1
Display surface	Matt
Display diagonal	15.6 \
Display resolution	1366 x 768 pixels
Native aspect ratio	16:9
Discrete graphics card model	Not available
On-board graphics card model	Intel® HD Graphics
On-board graphics card base frequency	350 MHz
On-board graphics card dynamic frequency (max)	1100 MHz
Audio system	HD
Speaker power	2 W
Front camera resolution (numeric)	1 MP
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN data rates	10, 100 Mbit/s
Charging port type	DC-in jack
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
VGA (D-Sub) ports quantity	0
Pointing device	Touchpad
Operating system installed	Windows 7 Home Premium
Processor code	SR105
Processor ARK ID	75191
Processor package size	31 x 24 mm
Supported instruction sets	SSE4.1, SSE4.2
Battery capacity	48 Wh
Battery life (max)	- h
Number of battery cells	6
Sustainability certificates	EPEAT Silver, ENERGY STAR

Weight and Dimensions

Depth	259 mm
Width	376 mm
Height	25.4 mm
Weight	2400 g