Benchmark #62815 - pibenchmarks.com

Brand: Crucial M500 Series
SSD (2.5" SATA)
#159 / 1,539
66
#553 / 1,539
#533 / 875
#165 / 363
5,996
	Amazon.com AliExpress Amazon.ca Amazon.co.uk Amazon.co.jp Amazon.com.au Amazon.de Amazon.es Amazon.fr Amazon.it Amazon.nl Amazon.se Amazon.sg

Overview
2022-09-18 02:56:21
#62,815
2,366
-3,630 (-153.42%)
Anonymous
TestB

Storage Details
Crucial M500 Series
SSD (2.5" SATA)
223.3G
SSD
Crucial
CT240M500SSD
2.10
480
2109:0711
0x2109
0x0711 (SMCWUSBT-G (no firmware))
usb-storage
None

System Board Details
		Amazon.com AliExpress
Raspberry Pi 3B+ 1.3
Raspberry Pi 3 Model B Plus Rev 1.3
Raspberry Pi Foundation
ARMv7 v7l
4
1,400
400
1 GB
450 (-50)

Operating System

Raspbian GNU/Linux 11 (bullseye)
armv7l

Benchmark Results
26.4 MB/s
22.66 MB/s
24.48 MB/s
2,339 IOPS
2,274 IOPS
9,358 KB/s
9,096 KB/s
10,863 KB/s
10,229 KB/s
9,234 KB/s
11,947 KB/s

inxi Results
System: Kernel: 5.15.32-v7+ arch: armv7l bits: 32 compiler: N/A parameters: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 video=HDMI-A-1:1920x1080M@60 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyS0,115200 console=tty1 root=PARTUUID=73e0d0d6-02 rootfstype=ext4 fsck.repair=yes rootwait quiet splash plymouth.ignore-serial-consoles Desktop: Openbox v: 3.6.1 info: lxpanel dm: LightDM v: 1.26.0 Distro: Raspbian GNU/Linux 11 (bullseye) Machine: Type: ARM System: Raspberry Pi 3 Model B Plus Rev 1.3 details: BCM2835 rev: a020d3 Battery: Message: No system battery data found. Is one present? Memory: RAM: total: 999.1 MiB used: 619.9 MiB (62.0%) gpu: 76 MiB RAM Report: smbios: No SMBIOS data for dmidecode to process PCI Slots: Message: No ARM data found for this feature. CPU: Info: model: ARMv7 v7l variant: cortex-a53 bits: 32 type: MCP arch: v7l family: 7 model-id: 0 stepping: 4 Topology: cpus: 1x cores: 4 smt: N/A cache: N/A Speed (MHz): avg: 1400 min/max: 600/1400 scaling: driver: cpufreq-dt governor: ondemand cores: 1: 1400 2: 1400 3: 1400 4: 1400 bogomips: 358 Features: crc32 edsp evtstrm fastmult half idiva idivt lpae neon thumb tls vfp vfpd32 vfpv3 vfpv4 Vulnerabilities: Type: itlb_multihit status: Not affected Type: l1tf status: Not affected Type: mds status: Not affected Type: meltdown status: Not affected Type: spec_store_bypass status: Not affected Type: spectre_v1 mitigation: __user pointer sanitization Type: spectre_v2 status: Not affected Type: srbds status: Not affected Type: tsx_async_abort status: Not affected Graphics: Device-1: bcm2835-hdmi driver: vc4_hdmi v: N/A bus-ID: N/A chip-ID: brcm:3f902000 class-ID: hdmi Device-2: bcm2835-vc4 driver: vc4_drm v: N/A bus-ID: N/A chip-ID: brcm:soc class-ID: gpu Display: x11 server: X.Org v: 1.20.11 with: Xwayland compositor: xcompmgr driver: X: loaded: modesetting gpu: vc4-drm,vc4_crtc,vc4_dpi,vc4_dsi,vc4_firmware_kms,vc4_hdmi,vc4_hvs,vc4_txp,vc4_v3d,vc4_vec display-ID: :0 screens: 1 Screen-1: 0 s-res: 1920x1080 s-dpi: 96 s-size: 508x285mm (20.00x11.22") s-diag: 582mm (22.93") Monitor-1: HDMI-A-1 mapped: HDMI-1 model: Dell P2214H built: 2015 res: 1920x1080 hz: 60 dpi: 102 gamma: 1.2 chroma: red: x: 0.651 y: 0.337 green: x: 0.318 y: 0.612 blue: x: 0.149 y: 0.063 white: x: 0.314 y: 0.329 size: 477x268mm (18.78x10.55") diag: 547mm (21.5") ratio: 16:9 modes: 1920x1080, 1600x900, 1280x1024, 1152x864, 1280x720, 1024x768, 800x600, 720x480, 640x480, 720x400 Message: Unable to show GL data. Required tool glxinfo missing. Audio: Device-1: bcm2835-hdmi driver: vc4_hdmi bus-ID: N/A chip-ID: brcm:3f902000 class-ID: hdmi Device-2: bcm2835-audio driver: bcm2835_audio bus-ID: N/A chip-ID: brcm:bcm2835_audio class-ID: bcm2835_audio Sound Server-1: ALSA v: k5.15.32-v7+ running: yes Sound Server-2: JACK v: 1.9.17 running: no Sound Server-3: PulseAudio v: 14.2 running: yes Sound Server-4: PipeWire v: 0.3.19 running: yes Network: Device-1: bcm2835-mmc driver: mmc_bcm2835 v: N/A port: N/A bus-ID: N/A chip-ID: brcm:3f300000 class-ID: mmcnr IF: wlan0 state: up mac: IP v4: type: dynamic noprefixroute scope: global broadcast: IP v6: type: mngtmpaddr noprefixroute scope: global IP v6: scope: link Device-2: Microchip (formerly SMSC) type: USB driver: lan78xx bus-ID: 1-1.1.1:8 chip-ID: 0424:7800 class-ID: ff00 IF: eth0 state: up speed: 1000 Mbps duplex: full mac: IP v4: type: dynamic noprefixroute scope: global broadcast: IP v6: type: mngtmpaddr noprefixroute scope: global IP v6: scope: link WAN IP: Bluetooth: Device-1: pl011 driver: uart_pl011 bus-ID: N/A chip-ID: arm:3f201000 class-ID: serial Report: hciconfig ID: hci0 rfk-id: 1 state: down bt-service: enabled,running rfk-block: hardware: no software: yes address: Info: acl-mtu: 1021:8 sco-mtu: 64:1 link-policy: rswitch sniff link-mode: slave accept Logical: Message: No logical block device data found. RAID: Message: No RAID data found. Drives: Local Storage: total: 283.2 GiB used: 19.88 GiB (7.0%) ID-1: /dev/sda maj-min: 8:0 type: USB vendor: Crucial model: CT240M500SSD size: 223.57 GiB block-size: physical: 512 B logical: 512 B type: SSD rev: MU05 scheme: MBR SMART Message: A mandatory SMART command failed. Various possible causes. ID-2: /dev/sdb maj-min: 8:16 type: USB vendor: Generic model: SD MMC size: 59.62 GiB block-size: physical: 512 B logical: 512 B type: SSD rev: 1.00 scheme: MBR SMART Message: Unknown USB bridge. Flash drive/Unsupported enclosure? Message: No optical or floppy data found. Partition: ID-1: / raw-size: 223.32 GiB size: 219.78 GiB (98.42%) used: 7.77 GiB (3.5%) fs: ext4 block-size: 4096 B dev: /dev/sda2 maj-min: 8:2 label: rootfs uuid: a755e991-ee07-4251-9a93-ddbb10695d94 ID-2: /boot raw-size: 256 MiB size: 252 MiB (98.46%) used: 49.2 MiB (19.5%) fs: vfat block-size: 512 B dev: /dev/sda1 maj-min: 8:1 label: boot uuid: 7C7A-DCF2 ID-3: /media/hornbeam/boot raw-size: 256 MiB size: 252 MiB (98.46%) used: 49.4 MiB (19.6%) fs: vfat block-size: 512 B dev: /dev/sdb1 maj-min: 8:17 label: boot uuid: 7C7A-DCF2 ID-4: /media/hornbeam/rootfs raw-size: 59.37 GiB size: 58.39 GiB (98.34%) used: 12.01 GiB (20.6%) fs: ext4 block-size: 4096 B dev: /dev/sdb2 maj-min: 8:18 label: rootfs uuid: a755e991-ee07-4251-9a93-ddbb10695d94 Swap: Kernel: swappiness: 60 (default) cache-pressure: 100 (default) ID-1: swap-1 type: file size: 100 MiB used: 99.9 MiB (99.9%) priority: -2 file: /var/swap Unmounted: Message: No unmounted partitions found. USB: Hub-1: 1-0:1 info: Hi-speed hub with single TT ports: 1 rev: 2.0 speed: 480 Mb/s chip-ID: 1d6b:0002 class-ID: 0900 Hub-2: 1-1:2 info: Microchip (formerly SMSC) USB 2.0 Hub ports: 4 rev: 2.0 speed: 480 Mb/s power: 2mA chip-ID: 0424:2514 class-ID: 0900 Hub-3: 1-1.1:3 info: Microchip (formerly SMSC) USB 2.0 Hub ports: 3 rev: 2.0 speed: 480 Mb/s power: 2mA chip-ID: 0424:2514 class-ID: 0900 Device-1: 1-1.1.1:8 info: Microchip (formerly SMSC) type: Network driver: lan78xx interfaces: 1 rev: 2.1 speed: 480 Mb/s power: 2mA chip-ID: 0424:7800 class-ID: ff00 Device-2: 1-1.1.2:6 info: VIA Labs VL711 SATA 6Gb/s bridge type: Mass Storage driver: usb-storage interfaces: 1 rev: 2.1 speed: 480 Mb/s power: 500mA chip-ID: 2109:0711 class-ID: 0806 Device-3: 1-1.2:9 info: Realtek microSDXC Card Reader [Hama 00091047] type: Mass Storage driver: usb-storage interfaces: 1 rev: 2.0 speed: 480 Mb/s power: 500mA chip-ID: 0bda:0109 class-ID: 0806 Hub-4: 1-1.3:4 info: Terminus Hub ports: 4 rev: 2.0 speed: 480 Mb/s power: 100mA chip-ID: 1a40:0101 class-ID: 0900 Device-1: 1-1.3.2:5 info: HP Slim Keyboard type: Keyboard,HID driver: hid-generic,usbhid interfaces: 2 rev: 2.0 speed: 1.5 Mb/s power: 100mA chip-ID: 03f0:304a class-ID: 0300 Device-2: 1-1.3.3:7 info: Logitech M90/M100 Optical Mouse type: Mouse driver: hid-generic,usbhid interfaces: 1 rev: 2.0 speed: 1.5 Mb/s power: 98mA chip-ID: 046d:c05a class-ID: 0301 Sensors: Missing: Required tool sensors not installed. Check --recommends Repos: Packages: pm: dpkg pkgs: 2034 libs: 1029 tools: apt,apt-get Active apt repos in: /etc/apt/sources.list 1: deb http: //raspbian.raspberrypi.org/raspbian/ bullseye main contrib non-free rpi Active apt repos in: /etc/apt/sources.list.d/raspi.list 1: deb http: //archive.raspberrypi.org/debian/ bullseye main Processes: CPU top: 5 of 193 1: cpu: 55.6% command: chromium-browser-v7 pid: 3273 mem: 108.0 MiB (11.6%) 2: cpu: 13.9% command: remmina pid: 2767 mem: 113.4 MiB (12.2%) 3: cpu: 8.1% command: xorg pid: 561 mem: 135.9 MiB (14.7%) 4: cpu: 6.4% command: chromium-browser-v7 pid: 1583 mem: 104.3 MiB (11.2%) 5: cpu: 4.7% command: [kworker/3:0-mm_percpu_wq] pid: 2552 mem: 0.00 MiB (0.0%) Memory top: 5 of 193 1: mem: 135.9 MiB (14.7%) command: xorg pid: 561 cpu: 8.1% 2: mem: 113.4 MiB (12.2%) command: remmina pid: 2767 cpu: 13.9% 3: mem: 108.0 MiB (11.6%) command: chromium-browser-v7 pid: 3273 cpu: 55.6% 4: mem: 104.3 MiB (11.2%) command: chromium-browser-v7 pid: 1583 cpu: 6.4% 5: mem: 89.5 MiB (9.6%) command: chromium-browser-v7 pid: 1860 cpu: 3.4% Info: Processes: 193 Uptime: 23m Init: systemd v: 247 target: graphical (5) default: graphical tool: systemctl Compilers: gcc: 10.2.1 alt: 10 Client: shell wrapper v: 5.1.4-release inxi: 3.3.21

inxi Results

System:
  Kernel: 5.15.32-v7+ arch: armv7l bits: 32 compiler: N/A parameters: coherent_pool=1M
    8250.nr_uarts=0 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1
    video=HDMI-A-1:1920x1080M@60 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000
    console=ttyS0,115200 console=tty1 root=PARTUUID=73e0d0d6-02 rootfstype=ext4 fsck.repair=yes
    rootwait quiet splash plymouth.ignore-serial-consoles
  Desktop: Openbox v: 3.6.1 info: lxpanel dm: LightDM v: 1.26.0 Distro: Raspbian GNU/Linux 11
    (bullseye)
Machine:
  Type: ARM System: Raspberry Pi 3 Model B Plus Rev 1.3 details: BCM2835 rev: a020d3
    Battery:
  Message: No system battery data found. Is one present?
Memory:
  RAM: total: 999.1 MiB used: 619.9 MiB (62.0%) gpu: 76 MiB
  RAM Report: smbios: No SMBIOS data for dmidecode to process
PCI Slots:
  Message: No ARM data found for this feature.
CPU:
  Info: model: ARMv7 v7l variant: cortex-a53 bits: 32 type: MCP arch: v7l family: 7 model-id: 0
    stepping: 4
  Topology: cpus: 1x cores: 4 smt: N/A cache: N/A
  Speed (MHz): avg: 1400 min/max: 600/1400 scaling: driver: cpufreq-dt governor: ondemand cores:
    1: 1400 2: 1400 3: 1400 4: 1400 bogomips: 358
  Features: crc32 edsp evtstrm fastmult half idiva idivt lpae neon thumb tls vfp vfpd32 vfpv3
    vfpv4
  Vulnerabilities:
  Type: itlb_multihit status: Not affected
  Type: l1tf status: Not affected
  Type: mds status: Not affected
  Type: meltdown status: Not affected
  Type: spec_store_bypass status: Not affected
  Type: spectre_v1 mitigation: __user pointer sanitization
  Type: spectre_v2 status: Not affected
  Type: srbds status: Not affected
  Type: tsx_async_abort status: Not affected
Graphics:
  Device-1: bcm2835-hdmi driver: vc4_hdmi v: N/A bus-ID: N/A chip-ID: brcm:3f902000 class-ID: hdmi
  Device-2: bcm2835-vc4 driver: vc4_drm v: N/A bus-ID: N/A chip-ID: brcm:soc class-ID: gpu
  Display: x11 server: X.Org v: 1.20.11 with: Xwayland compositor: xcompmgr driver: X:
    loaded: modesetting
    gpu: vc4-drm,vc4_crtc,vc4_dpi,vc4_dsi,vc4_firmware_kms,vc4_hdmi,vc4_hvs,vc4_txp,vc4_v3d,vc4_vec
    display-ID: :0 screens: 1
  Screen-1: 0 s-res: 1920x1080 s-dpi: 96 s-size: 508x285mm (20.00x11.22") s-diag: 582mm (22.93")
  Monitor-1: HDMI-A-1 mapped: HDMI-1 model: Dell P2214H built: 2015
    res: 1920x1080 hz: 60 dpi: 102 gamma: 1.2 chroma: red: x: 0.651 y: 0.337 green: x: 0.318
    y: 0.612 blue: x: 0.149 y: 0.063 white: x: 0.314 y: 0.329 size: 477x268mm (18.78x10.55")
    diag: 547mm (21.5") ratio: 16:9 modes: 1920x1080, 1600x900, 1280x1024, 1152x864, 1280x720,
    1024x768, 800x600, 720x480, 640x480, 720x400
  Message: Unable to show GL data. Required tool glxinfo missing.
Audio:
  Device-1: bcm2835-hdmi driver: vc4_hdmi bus-ID: N/A chip-ID: brcm:3f902000 class-ID: hdmi
  Device-2: bcm2835-audio driver: bcm2835_audio bus-ID: N/A chip-ID: brcm:bcm2835_audio
    class-ID: bcm2835_audio
  Sound Server-1: ALSA v: k5.15.32-v7+ running: yes
  Sound Server-2: JACK v: 1.9.17 running: no
  Sound Server-3: PulseAudio v: 14.2 running: yes
  Sound Server-4: PipeWire v: 0.3.19 running: yes
Network:
  Device-1: bcm2835-mmc driver: mmc_bcm2835 v: N/A port: N/A bus-ID: N/A chip-ID: brcm:3f300000
    class-ID: mmcnr
  IF: wlan0 state: up mac: 
  IP v4:  type: dynamic noprefixroute scope: global broadcast: 
  IP v6:  type: mngtmpaddr noprefixroute scope: global
  IP v6:  scope: link
  Device-2: Microchip (formerly SMSC) type: USB driver: lan78xx bus-ID: 1-1.1.1:8
    chip-ID: 0424:7800 class-ID: ff00
  IF: eth0 state: up speed: 1000 Mbps duplex: full mac: 
  IP v4:  type: dynamic noprefixroute scope: global broadcast: 
  IP v6:  type: mngtmpaddr noprefixroute scope: global
  IP v6:  scope: link
  WAN IP: 
Bluetooth:
  Device-1: pl011 driver: uart_pl011 bus-ID: N/A chip-ID: arm:3f201000 class-ID: serial
  Report: hciconfig ID: hci0 rfk-id: 1 state: down bt-service: enabled,running rfk-block:
    hardware: no software: yes address: 
  Info: acl-mtu: 1021:8 sco-mtu: 64:1 link-policy: rswitch sniff link-mode: slave accept
Logical:
  Message: No logical block device data found.
RAID:
  Message: No RAID data found.
Drives:
  Local Storage: total: 283.2 GiB used: 19.88 GiB (7.0%)
  ID-1: /dev/sda maj-min: 8:0 type: USB vendor: Crucial model: CT240M500SSD size: 223.57 GiB
    block-size: physical: 512 B logical: 512 B type: SSD rev: MU05 scheme: MBR
  SMART Message: A mandatory SMART command failed. Various possible causes.
  ID-2: /dev/sdb maj-min: 8:16 type: USB vendor: Generic model: SD MMC size: 59.62 GiB
    block-size: physical: 512 B logical: 512 B type: SSD rev: 1.00 scheme: MBR
  SMART Message: Unknown USB bridge. Flash drive/Unsupported enclosure?
  Message: No optical or floppy data found.
Partition:
  ID-1: / raw-size: 223.32 GiB size: 219.78 GiB (98.42%) used: 7.77 GiB (3.5%) fs: ext4
    block-size: 4096 B dev: /dev/sda2 maj-min: 8:2 label: rootfs
    uuid: a755e991-ee07-4251-9a93-ddbb10695d94
  ID-2: /boot raw-size: 256 MiB size: 252 MiB (98.46%) used: 49.2 MiB (19.5%) fs: vfat
    block-size: 512 B dev: /dev/sda1 maj-min: 8:1 label: boot uuid: 7C7A-DCF2
  ID-3: /media/hornbeam/boot raw-size: 256 MiB size: 252 MiB (98.46%) used: 49.4 MiB (19.6%)
    fs: vfat block-size: 512 B dev: /dev/sdb1 maj-min: 8:17 label: boot uuid: 7C7A-DCF2
  ID-4: /media/hornbeam/rootfs raw-size: 59.37 GiB size: 58.39 GiB (98.34%) used: 12.01 GiB
    (20.6%) fs: ext4 block-size: 4096 B dev: /dev/sdb2 maj-min: 8:18 label: rootfs
    uuid: a755e991-ee07-4251-9a93-ddbb10695d94
Swap:
  Kernel: swappiness: 60 (default) cache-pressure: 100 (default)
  ID-1: swap-1 type: file size: 100 MiB used: 99.9 MiB (99.9%) priority: -2 file: /var/swap
Unmounted:
  Message: No unmounted partitions found.
USB:
  Hub-1: 1-0:1 info: Hi-speed hub with single TT ports: 1 rev: 2.0 speed: 480 Mb/s
    chip-ID: 1d6b:0002 class-ID: 0900
  Hub-2: 1-1:2 info: Microchip (formerly SMSC) USB 2.0 Hub ports: 4 rev: 2.0 speed: 480 Mb/s
    power: 2mA chip-ID: 0424:2514 class-ID: 0900
  Hub-3: 1-1.1:3 info: Microchip (formerly SMSC) USB 2.0 Hub ports: 3 rev: 2.0 speed: 480 Mb/s
    power: 2mA chip-ID: 0424:2514 class-ID: 0900
  Device-1: 1-1.1.1:8 info: Microchip (formerly SMSC) type: Network driver: lan78xx
    interfaces: 1 rev: 2.1 speed: 480 Mb/s power: 2mA chip-ID: 0424:7800 class-ID: ff00
  Device-2: 1-1.1.2:6 info: VIA Labs VL711 SATA 6Gb/s bridge type: Mass Storage
    driver: usb-storage interfaces: 1 rev: 2.1 speed: 480 Mb/s power: 500mA chip-ID: 2109:0711
    class-ID: 0806 Device-3: 1-1.2:9 info: Realtek microSDXC Card Reader [Hama 00091047] type: Mass Storage
    driver: usb-storage interfaces: 1 rev: 2.0 speed: 480 Mb/s power: 500mA chip-ID: 0bda:0109
    class-ID: 0806 Hub-4: 1-1.3:4 info: Terminus Hub ports: 4 rev: 2.0 speed: 480 Mb/s power: 100mA
    chip-ID: 1a40:0101 class-ID: 0900
  Device-1: 1-1.3.2:5 info: HP Slim Keyboard type: Keyboard,HID driver: hid-generic,usbhid
    interfaces: 2 rev: 2.0 speed: 1.5 Mb/s power: 100mA chip-ID: 03f0:304a class-ID: 0300
  Device-2: 1-1.3.3:7 info: Logitech M90/M100 Optical Mouse type: Mouse
    driver: hid-generic,usbhid interfaces: 1 rev: 2.0 speed: 1.5 Mb/s power: 98mA chip-ID: 046d:c05a
    class-ID: 0301
Sensors:
  Missing: Required tool sensors not installed. Check --recommends
Repos:
  Packages: pm: dpkg pkgs: 2034 libs: 1029 tools: apt,apt-get
  Active apt repos in: /etc/apt/sources.list
    1: deb http: //raspbian.raspberrypi.org/raspbian/ bullseye main contrib non-free rpi
  Active apt repos in: /etc/apt/sources.list.d/raspi.list
    1: deb http: //archive.raspberrypi.org/debian/ bullseye main
Processes:
  CPU top: 5 of 193
  1: cpu: 55.6% command: chromium-browser-v7 pid: 3273 mem: 108.0 MiB (11.6%)
  2: cpu: 13.9% command: remmina pid: 2767 mem: 113.4 MiB (12.2%)
  3: cpu: 8.1% command: xorg pid: 561 mem: 135.9 MiB (14.7%)
  4: cpu: 6.4% command: chromium-browser-v7 pid: 1583 mem: 104.3 MiB (11.2%)
  5: cpu: 4.7% command: [kworker/3:0-mm_percpu_wq] pid: 2552 mem: 0.00 MiB (0.0%)
  Memory top: 5 of 193
  1: mem: 135.9 MiB (14.7%) command: xorg pid: 561 cpu: 8.1%
  2: mem: 113.4 MiB (12.2%) command: remmina pid: 2767 cpu: 13.9%
  3: mem: 108.0 MiB (11.6%) command: chromium-browser-v7 pid: 3273 cpu: 55.6%
  4: mem: 104.3 MiB (11.2%) command: chromium-browser-v7 pid: 1583 cpu: 6.4%
  5: mem: 89.5 MiB (9.6%) command: chromium-browser-v7 pid: 1860 cpu: 3.4%
Info:
  Processes: 193 Uptime: 23m Init: systemd v: 247 target: graphical (5) default: graphical
  tool: systemctl Compilers: gcc: 10.2.1 alt: 10 Client: shell wrapper v: 5.1.4-release
  inxi: 3.3.21

Benchmark #62815 - Brand: Crucial M500 Series